Queries for the AzureDiagnostics table

For information on using these queries in the Azure portal, see Log Analytics tutorial. For the REST API, see Query.

Queries for microsoft.automation

Errors in automation jobs

Find logs reporting errors in automation jobs from the last day.

AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.AUTOMATION"  
| where StreamType_s == "Error" 
| project TimeGenerated, Category, JobId_g, OperationName, RunbookName_s, ResultDescription

Find logs reporting errors in automation jobs from the last day

List all the errors in the automation jobs.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.AUTOMATION" 
| where StreamType_s == "Error" 
| project TimeGenerated, Category, JobId_g, OperationName, RunbookName_s, ResultDescription, _ResourceId 

Azure Automation jobs that are failed, suspended, or stopped

List all the automation jobs that failed , suspended or stopped.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.AUTOMATION" and Category == "JobLogs" and (ResultType == "Failed" or ResultType == "Stopped" or ResultType == "Suspended") 
| project TimeGenerated , RunbookName_s , ResultType , _ResourceId , JobId_g

Runbook completed successfully with errors

List all jobs that completed with errors.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.AUTOMATION" and Category == "JobStreams" and StreamType_s == "Error" 
| project TimeGenerated , RunbookName_s , StreamType_s , _ResourceId , ResultDescription , JobId_g 

View historical job status

List all automation jobs.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.AUTOMATION" and Category == "JobLogs" and ResultType != "started"
| summarize AggregatedValue = count() by ResultType, bin(TimeGenerated, 1h) , RunbookName_s , JobId_g, _ResourceId

Azure Automation jobs that are Completed

List all automation jobs that got completed.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.AUTOMATION" and Category == "JobLogs" and ResultType == "Completed" 
| project TimeGenerated , RunbookName_s , ResultType , _ResourceId , JobId_g 

Queries for microsoft.batch

Successful tasks per job

Provides the number of successful tasks per job.

AzureDiagnostics
| where OperationName=="TaskCompleteEvent"
| where executionInfo_exitCode_d==0 // Your application may use an exit code other than 0 to denote a successful operation
| summarize successfulTasks=count(id_s) by jobId=jobId_s

Failed tasks per job

Lists failed tasks by parent job.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where OperationName=="TaskFailEvent"
| summarize failedTaskList=make_list(id_s) by jobId=jobId_s, ResourceId

Task durations

Gives the elapsed time of tasks in seconds, from task start to task complete.

AzureDiagnostics
| where OperationName=="TaskCompleteEvent"
| extend taskId=id_s, ElapsedTime=datetime_diff('second', executionInfo_endTime_t, executionInfo_startTime_t) // For longer running tasks, consider changing 'second' to 'minute' or 'hour'
| summarize taskList=make_list(taskId) by ElapsedTime

Pool resizes

List resize times by pool and result code (success or failure).

AzureDiagnostics
| where OperationName=="PoolResizeCompleteEvent"
| summarize operationTimes=make_list(startTime_s) by poolName=id_s, resultCode=resultCode_s

Pool resize failures

List pool resize failures by error code and time.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where OperationName=="PoolResizeCompleteEvent"
| where resultCode_s=="Failure" // Filter only on failed pool resizes
| summarize by poolName=id_s, resultCode=resultCode_s, resultMessage=resultMessage_s, operationTime=startTime_s, ResourceId

Queries for microsoft.cdn

[Microsoft CDN (classic)] Requests per hour

Render line chart showing total request per hour.

// Summarize number of requests per hour 
// Change bins resolution from 1hr to 5m to get real time results)
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog" 
| where isReceivedFromClient_b == "true"
| summarize RequestCount = count() by bin(TimeGenerated, 1h), Resource, _ResourceId
| render timechart

[Microsoft CDN (classic)] Traffic by URL

Show egress from CDN edge by URL.

// Change bins resolution from 1 hour to 5 minutes to get real time results)
// CDN edge response traffic by URL
AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog" 
| where isReceivedFromClient_b == true
| summarize ResponseBytes = sum(toint(responseBytes_s)) by requestUri_s

[Microsoft CDN (classic)] 4XX error rate by URL

Show 4XX error rate by URL.

// Request errors rate by URL
// Count number of requests with error responses by URL. 
// Summarize number of requests by URL, and status codes are 4XX
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog" and isReceivedFromClient_b == true
| extend Is4XX = (toint(httpStatusCode_s ) >= 400 and toint(httpStatusCode_s ) < 500)
| summarize 4xxrate = (1.0 * countif(Is4XX)  / count()) * 100 by requestUri_s, bin(TimeGenerated, 1h), _ResourceId

[Microsoft CDN (classic)] Request errors by user agent

Count number of requests with error responses by user agent.

// Summarize number of requests per user agent and status codes >= 400
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog" 
| where isReceivedFromClient_b == true
| where toint(httpStatusCode_s) >= 400
| summarize RequestCount = count() by UserAgent = userAgent_s, StatusCode = httpStatusCode_s , Resource, _ResourceId
| order by RequestCount desc

[Microsoft CDN (classic)] Top 10 URL request count

Show top 10 URLs by request count.

// top URLs by request count
// Render line chart showing total requests per hour . 
// Summarize number of requests per hour 
AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog" 
| where isReceivedFromClient_b == true
| summarize UserRequestCount = count() by requestUri_s
| order by UserRequestCount
| limit 10

[Microsoft CDN (classic)] Unique IP request count

Show Unique IP request count.

AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write"and Category == "AzureCdnAccessLog"
| where isReceivedFromClient_b == true
| summarize dcount(clientIp_s) by bin(TimeGenerated, 1h)
| render timechart 

[Microsoft CDN (classic)] Top 10 client IPs and HTTP versions

Show top 10 client IPs and http versions.

// Top 10 client IPs and http versions 
// Show top 10 client IPs and http versions. 
// Summarize top 10 client ips and http versions
AzureDiagnostics
| where OperationName == "Microsoft.Cdn/Profiles/AccessLog/Write" and Category == "AzureCdnAccessLog"
| where isReceivedFromClient_b == true
| summarize RequestCount = count() by ClientIP = clientIp_s, HttpVersion = httpVersion_s, Resource
| top 10 by RequestCount 
| order by RequestCount desc

[Azure Front Door Standard/Premium] Top 20 blocked clients by IP and rule

Show top 20 blocked clients by IP and rule name.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorWebApplicationFirewallLog"
| where action_s == "Block"
| summarize RequestCount = count() by ClientIP = clientIP_s, UserAgent = userAgent_s, RuleName = ruleName_s,Resource
| top 20 by RequestCount 
| order by RequestCount desc

[Azure Front Door Standard/Premium] Requests to origin by route

Count number of requests for each route and origin per minute. Summarize number of requests per minute for each route and origin.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| summarize RequestCount = count() by bin(TimeGenerated, 1m), Resource, RouteName = routingRuleName_s, originName = originName_s, ResourceId

[Azure Front Door Standard/Premium] Request errors by user agent

Count number of requests with error responses by user agent. Summarize number of requests per user agent and status codes >= 400.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| where toint(httpStatusCode_s) >= 400
| summarize RequestCount = count() by UserAgent = userAgent_s, StatusCode = httpStatusCode_s , Resource, ResourceId
| order by RequestCount desc

[Azure Front Door Standard/Premium] Top 10 client IPs and http versions

Show top 10 client IPs and http versions by request count.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| summarize RequestCount = count() by ClientIP = clientIp_s, HttpVersion = httpVersion_s, Resource
|top 10 by RequestCount 
| order by RequestCount desc

[Azure Front Door Standard/Premium] Request errors by host and path

Count number of requests with error responses by host and path. Summarize number of requests by host, path, and status codes >= 400.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| where toint(httpStatusCode_s) >= 400
| extend ParsedUrl = parseurl(requestUri_s)
| summarize RequestCount = count() by Host = tostring(ParsedUrl.Host), Path = tostring(ParsedUrl.Path), StatusCode = httpStatusCode_s, ResourceId
| order by RequestCount desc

[Azure Front Door Standard/Premium] Firewall blocked request count per hour

Count number of firewall blocked requests per hour. Summarize number of firewall blocked requests per hour by policy.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorWebApplicationFirewallLog"
| where action_s == "Block"
| summarize RequestCount = count() by bin(TimeGenerated, 1h), Policy = policy_s, PolicyMode = policyMode_s, Resource, ResourceId
| order by RequestCount desc

[Azure Front Door Standard/Premium] Firewall request count by host, path, rule, and action

Count firewall processed requests by host, path, rule, and action taken. Summarize request count by host, path, rule, and action.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorWebApplicationFirewallLog"
| extend ParsedUrl = parseurl(requestUri_s)
| summarize RequestCount = count() by Host = tostring(ParsedUrl.Host), Path = tostring(ParsedUrl.Path), RuleName = ruleName_s, Action = action_s, ResourceId
| order by RequestCount desc

[Azure Front Door Standard/Premium] Requests per hour

Render line chart showing total requests per hour for each FrontDoor resource.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorWebApplicationFirewallLog"
| summarize RequestCount = count() by bin(TimeGenerated, 1h), Resource, ResourceId
| render timechart 

[Azure Front Door Standard/Premium] Top 10 URL request count

Show top 10 URLs by request count.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| summarize UserRequestCount = count() by requestUri_s
| order by UserRequestCount
| limit 10

[Azure Front Door Standard/Premium] Top 10 URL request count

Show egress from AFD edge by URL. Change bins resolution from 1hr to 5m to get real time results.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| summarize ResponseBytes = sum(toint(responseBytes_s)) by requestUri_s

[Azure Front Door Standard/Premium] Unique IP request count

Show unique IP request count.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.CDN" and Category == "FrontDoorAccessLog"
| summarize dcount(clientIp_s) by bin(TimeGenerated, 1h)
| render timechart

Queries for microsoft.containerservice

Find In AzureDiagnostics

Find in AzureDiagnostics to search for a specific value in the AzureDiagnostics table./nNote that this query requires updating the <SeachValue> parameter to produce results

// This query requires a parameter to run. Enter value in SearchValue to find in table.
let SearchValue =  "<SearchValue>";//Please update term you would like to find in the table.
AzureDiagnostics
| where ResourceProvider == "Microsoft.ContainerService"
| where * contains tostring(SearchValue)
| take 1000

Queries for microsoft.dbformariadb

Execution time exceeding a threshold

Identify queries that their run time exceeds 10 seconds.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMARIADB" 
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s, ResourceId 
| where query_time_d > 10 // You may change the time threshold

Show the Slowest queries

Identify top 5 slowest queries.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMARIADB" 
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s 
| top 5 by query_time_d desc

Show Query's statistics

Construct a summary statistics table by query.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMARIADB" 
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s 
| summarize count(), min(query_time_d), max(query_time_d), avg(query_time_d), stdev(query_time_d), percentile(query_time_d, 95) by LogicalServerName_s ,sql_text_s 
|  top 50  by percentile_query_time_d_95 desc

Review audit log events in GENERAL class

Identify general class events for your server.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMARIADB" 
| where Category == 'MySqlAuditLogs' and event_class_s == "general_log"
| project TimeGenerated, LogicalServerName_s, event_class_s, event_subclass_s, event_time_t, user_s , ip_s , sql_text_s 
| order by TimeGenerated asc

Review audit log events in CONNECTION class

Identify connection related events for your server.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMARIADB" 
| where Category == 'MySqlAuditLogs' and event_class_s == "connection_log"
| project TimeGenerated, LogicalServerName_s, event_class_s, event_subclass_s, event_time_t, user_s , ip_s , sql_text_s 
| order by TimeGenerated asc 

Queries for microsoft.dbformysql

Execution time exceeding a threshold

Identify queries that their run time exceeds 10 seconds.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORMYSQL"
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s, ResourceId 
| where query_time_d > 10 //You may change the time threshold 

Show the Slowest queries

Identify top 5 slowest queries.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORMYSQL" 
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s 
| top 5 by query_time_d desc

Show Query's statistics

Construct a summary statistics table by query.

AzureDiagnostics
| where ResourceProvider ==  "MICROSOFT.DBFORMYSQL"
| where Category == 'MySqlSlowLogs'
| project TimeGenerated, LogicalServerName_s, event_class_s, start_time_t , query_time_d, sql_text_s 
| summarize count(), min(query_time_d), max(query_time_d), avg(query_time_d), stdev(query_time_d), percentile(query_time_d, 95) by LogicalServerName_s ,sql_text_s 
|  top 50  by percentile_query_time_d_95 desc

Review audit log events in GENERAL class

Identify general class events for your server.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMYSQL"
| where Category == 'MySqlAuditLogs' and event_class_s == "general_log"
| project TimeGenerated, LogicalServerName_s, event_class_s, event_subclass_s, event_time_t, user_s , ip_s , sql_text_s 
| order by TimeGenerated asc

Review audit log events in CONNECTION class

Identify connection related events for your server.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORMYSQL"
| where Category == 'MySqlAuditLogs' and event_class_s == "connection_log"
| project TimeGenerated, LogicalServerName_s, event_class_s, event_subclass_s, event_time_t, user_s , ip_s , sql_text_s 
| order by TimeGenerated asc 

Queries for microsoft.dbforpostgresql

Autovacuum events

Search for autovacuum events over the last 24 hours. It requires parameter 'log_autovacuum_min_duration' enabled.

AzureDiagnostics
| where TimeGenerated > ago(1d) 
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "automatic vacuum"

Server restarts

Search for server shut down and server ready events.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where TimeGenerated > ago(7d)
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "database system was shut down at" or Message contains "database system is ready to accept" 

Find Errors

Search for errors in the last 6 hours.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where TimeGenerated > ago(6h)
| where Category == "PostgreSQLLogs"
| where  errorLevel_s contains "error" 

Unauthorized connections

Search for unauthorized (rejected) connection attempts.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "password authentication failed" or Message contains "no pg_hba.conf entry for host"

Deadlocks

Search for deadlock events.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "deadlock detected"

Lock contention

Search for lock contention. It requires log_lock_waits=ON and depends on deadlock_timeout setting.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Message contains "still waiting for ShareLock on transaction" 

Audit logs

Get all audit logs. It requires audit logs to be enabled [https://learn.microsoft.com/azure/postgresql/concepts-audit].

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "AUDIT:"

Audit logs for table(s) and event type(s)

Search for audit logs for a specific table and event type DDL. Other event types are READ, WRITE, FUNCTION, MISC. It requires audit logs enabled. [https://learn.microsoft.com/azure/postgresql/concepts-audit].

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.DBFORPOSTGRESQL" 
| where Category == "PostgreSQLLogs"
| where Message contains "AUDIT:" 
| where Message contains "table name" and Message contains "DDL"

Queries with execution time exceeding a threshold

Identify queries that take longer than 10 seconds. The query store normalizes actual queries to aggregate similar queries. By default, entries are aggregated every 15 mins. Query utilizes mean execution time every 15 mins and other query statistics such as max, min can be used as appropriate.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreRuntimeStatistics"
| where user_id_s != "10" //exclude azure system user
| project TimeGenerated, LogicalServerName_s, event_type_s , mean_time_s , db_id_s , start_time_s , query_id_s, _ResourceId
| where todouble(mean_time_s) > 0 // You may change the time threshold

Slowest queries

Identify top 5 slowest queries.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreRuntimeStatistics"
| where user_id_s != "10" //exclude azure system user
| summarize avg(todouble(mean_time_s)) by event_class_s , db_id_s ,query_id_s
| top 5 by avg_mean_time_s desc

Query statistics

Construct a summary statistics table by query.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreRuntimeStatistics"
| where user_id_s != "10" //exclude azure system user
| summarize sum(toint(calls_s)), min(todouble(min_time_s)),max(todouble(max_time_s)),avg(todouble(mean_time_s)),percentile(todouble(mean_time_s),95) by  db_id_s ,query_id_s
| order by percentile_mean_time_s_95 desc nulls last 

Execution count trends

Execution trend by query aggregated by 15 minute-intervals.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreRuntimeStatistics"
| where user_id_s != "10" //exclude azure system user
| summarize sum(toint(calls_s)) by  tostring(query_id_s), bin(TimeGenerated, 15m), ResourceId
| render timechart 

Top wait events

Identify top 5 wait events by queries.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreWaitStatistics"
| where user_id_s != "10" //exclude azure system user
| where query_id_s != 0
| summarize sum(toint(calls_s)) by event_s, query_id_s, bin(TimeGenerated, 15m)
| top 5 by sum_calls_s desc nulls last

Wait event trends

Display wait event trends over time.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DBFORPOSTGRESQL"
| where Category == "QueryStoreWaitStatistics"
| where user_id_s != "10" //exclude azure system user
| extend query_id_s = tostring(query_id_s)
| summarize sum(toint(calls_s)) by event_s, query_id_s, bin(TimeGenerated, 15m), ResourceId // You may change the time threshold 
| render timechart

Queries for microsoft.devices

Connectvity errors

Identify device connection errors.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where Category == "Connections" and Level == "Error"

Devices with most throttling errors

Identify devices that made the most requests resulting in throttling errors.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where ResultType == "429001"
| extend DeviceId = tostring(parse_json(properties_s).deviceId)
| summarize count() by DeviceId, Category , _ResourceId
| order by count_ desc

Dead endpoints

Identify dead or unhealthy endpoints by the number times the issue was reported, as well as the reason why.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where Category == "Routes" and OperationName in ("endpointDead", "endpointUnhealthy")
| extend parsed_json = parse_json(properties_s)
| extend Endpoint   = tostring(parsed_json.endpointName), Reason =tostring(parsed_json.details) 
| summarize count() by Endpoint, OperationName, Reason, _ResourceId
| order by count_ desc

Error summary

Count of errors across all operations by type.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where Level == "Error"
| summarize count() by ResultType, ResultDescription, Category, _ResourceId

Recently connected devices

List of devices that IoT Hub saw connect in the specified time period.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where Category == "Connections" and OperationName == "deviceConnect"
| extend DeviceId = tostring(parse_json(properties_s).deviceId)
| summarize max(TimeGenerated) by DeviceId, _ResourceId

SDK version of devices

List of devices and their SDK versions.

// this query works on device connection or when your device uses device to cloud twin operations
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.DEVICES" and ResourceType == "IOTHUBS"
| where Category == "Connections" or  Category == "D2CTwinOperations"
| extend parsed_json = parse_json(properties_s) 
| extend SDKVersion = tostring(parsed_json.sdkVersion) , DeviceId = tostring(parsed_json.deviceId)
| distinct DeviceId, SDKVersion, TimeGenerated, _ResourceId

Queries for microsoft.documentdb

Consumed RU/s in last 24 hours

Identify consumed RU/s on Cosmos databases and collections.

// To create an alert for this query, click '+ New alert rule'
//You can compare the RU/s consumption with your provisioned RU/s to determine if you should scale up or down RU/s based on your workload.
AzureDiagnostics
| where TimeGenerated >= ago(24hr)
| where Category == "DataPlaneRequests"
//| where collectionName_s == "CollectionToAnalyze" //Replace to target the query to a collection
| summarize ConsumedRUsPerMinute = sum(todouble(requestCharge_s)) by collectionName_s, _ResourceId, bin(TimeGenerated, 1m)
| project TimeGenerated , ConsumedRUsPerMinute , collectionName_s, _ResourceId
| render timechart

Collections with throttles (429) in past 24 hours

Identify collections and operations that have received 429 (throttles), which occur when consumed throughput (RU/s) exceeds provisioned throughput.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where TimeGenerated >= ago(24hr)
| where Category == "DataPlaneRequests"
| where statusCode_s == 429 
| summarize numberOfThrottles = count() by databaseName_s, collectionName_s, requestResourceType_s, _ResourceId, bin(TimeGenerated, 1hr)
| order by numberOfThrottles

Top operations by consumed Request Units (RUs) in last 24 hours

Identify top operations on Cosmos resources by count and consumed RU per operation.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where TimeGenerated >= ago(24h)
| where Category == "DataPlaneRequests"
| summarize numberOfOperations = count(), totalConsumedRU = sum(todouble(requestCharge_s)) by databaseName_s, collectionName_s, OperationName, requestResourceType_s, requestResourceId_s, _ResourceId
| extend averageRUPerOperation = totalConsumedRU / numberOfOperations 
| order by numberOfOperations

Top logical partition keys by storage

Identify largest logical partition key values. PartitionKeyStatistics will emit data for top logical partition keys by storage.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where Category == "PartitionKeyStatistics"
//| where collectionName_s == "CollectionToAnalyze" //Replace to target the query to a collection
| summarize arg_max(TimeGenerated, *) by databaseName_s, collectionName_s, partitionKey_s, _ResourceId //Get the latest storage size
| extend utilizationOf20GBLogicalPartition = sizeKb_d / 20000000 //20GB
| project TimeGenerated, databaseName_s , collectionName_s , partitionKey_s, sizeKb_d, utilizationOf20GBLogicalPartition, _ResourceId

Queries for microsoft.eventhub

[Classic] Duration of Capture failure

Summarizes the duaration of failure on Capture.

AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.EVENTHUB\"
| where Category == \"ArchiveLogs\"
| summarize count() by \"failures\", \"durationInSeconds\", _ResourceId

[Classic] Join request for client

Summarized the status of join request for client.

AzureDiagnostics // Need to turn on the Capture for this 
| where ResourceProvider == \"MICROSOFT.EVENTHUB\"
|  project \"OperationName\"

[Classic] Access to keyvault - key not found

Summarizes the access to keyvault when key is not found.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.EVENTHUB\"
| where Category == \"Error\" and OperationName == \"wrapkey\"
| project Message, _ResourceId

[Classic] Operation performed with keyvault

Summarizes the operation performed with keyvault to disable or restore the key.

AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.EVENTHUB\"
| where Category == \"info\" and OperationName == \"disable\" or OperationName == \"restore\"
| project Message

Errors in the last 7 days

This lists all the errors for the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d)
| where ResourceProvider =="MICROSOFT.EVENTHUB"
| where Category == "OperationalLogs"
| summarize count() by "EventName", _ResourceId

Duration of Capture failure

Summarizes the duaration of failure on Capture.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.EVENTHUB"
| where Category == "ArchiveLogs"
| summarize count() by "failures", "durationInSeconds", _ResourceId

Join request for client

Summarized the status of join request for client.

AzureDiagnostics // Need to turn on the Capture for this 
| where ResourceProvider == "MICROSOFT.EVENTHUB"
|  project "OperationName"

Access to keyvault - key not found

Summarizes the access to keyvault when key is not found.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.EVENTHUB" 
| where Category == "Error" and OperationName == "wrapkey"
| project Message, ResourceId

Operation performed with keyvault

Summarizes the operation performed with keyvault to disable or restore the key.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.EVENTHUB"
| where Category == "info" and OperationName == "disable" or OperationName == "restore"
| project Message

Queries for microsoft.keyvault

[Classic] How active has this KeyVault been?

[Classic] Line chart showing trend of KeyVault requests volume, per operation over time.

// KeyVault diagnostic currently stores logs in AzureDiagnostics table which stores logs for multiple services. 
// Filter on ResourceProvider for logs specific to a service.
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.KEYVAULT" 
| summarize count() by bin(TimeGenerated, 1h), OperationName // Aggregate by hour
| render timechart

[Classic] Who is calling this KeyVault?

[Classic] List of callers identified by their IP address with their request count.

// KeyVault diagnostic currently stores logs in AzureDiagnostics table which stores logs for multiple services. 
// Filter on ResourceProvider for logs specific to a service.
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.KEYVAULT"
| summarize count() by CallerIPAddress

[Classic] Are there any slow requests?

[Classic] List of KeyVault requests that took longer than 1sec.

// To create an alert for this query, click '+ New alert rule'
let threshold=1000; // let operator defines a constant that can be further used in the query
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.KEYVAULT" 
| where DurationMs > threshold
| summarize count() by OperationName, _ResourceId

[Classic] How fast is this KeyVault serving requests?

[Classic] Line chart showing trend of request duration over time using different aggregations.

AzureDiagnostics
| where ResourceProvider =="MICROSOFT.KEYVAULT" 
| summarize avg(DurationMs) by requestUri_s, bin(TimeGenerated, 1h) // requestUri_s contains the URI of the request
| render timechart

[Classic] Are there any failures?

[Classic] Count of failed KeyVault requests by status code.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider =="MICROSOFT.KEYVAULT" 
| where httpStatusCode_d >= 300 and not(OperationName == "Authentication" and httpStatusCode_d == 401)
| summarize count() by requestUri_s, ResultSignature, _ResourceId
// ResultSignature contains HTTP status, e.g. "OK" or "Forbidden"
// httpStatusCode_d contains HTTP status code returned by the request (e.g.  200, 300 or 401)
// requestUri_s contains the URI of the request

[Classic] What changes occurred last month?

[Classic] Lists all update and patch requests from the last 30 days.

// KeyVault diagnostic currently stores logs in AzureDiagnostics table which stores logs for multiple services. 
// Filter on ResourceProvider for logs specific to a service.
AzureDiagnostics
| where TimeGenerated > ago(30d) // Time range specified in the query. Overrides time picker in portal.
| where ResourceProvider =="MICROSOFT.KEYVAULT" 
| where OperationName == "VaultPut" or OperationName == "VaultPatch"
| sort by TimeGenerated desc

[Classic] List all input deserialization errors

[Classic] Shows errors caused due to malformed events that could not be deserialized by the job.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.KEYVAULT" and parse_json(properties_s).DataErrorType in ("InputDeserializerError.InvalidData", "InputDeserializerError.TypeConversionError", "InputDeserializerError.MissingColumns", "InputDeserializerError.InvalidHeader", "InputDeserializerError.InvalidCompressionType")
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

[Classic] Find In AzureDiagnostics

[Classic] Find in AzureDiagnostics to search for a specific value in the AzureDiagnostics table./nNote that this query requires updating the <SeachValue> parameter to produce results

// This query requires a parameter to run. Enter value in SearchValue to find in table.
let SearchValue =  "<SearchValue>";//Please update term you would like to find in the table.
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.KEYVAULT"
| where * contains tostring(SearchValue)
| take 1000

Queries for microsoft.logic

Total billable executions

Total billable executions by operation name.

// Total billable executions
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.LOGIC"
| where Category == "WorkflowRuntime" 
| where OperationName has "workflowTriggerStarted" or OperationName has "workflowActionStarted" 
| summarize dcount(resource_runId_s) by OperationName, resource_workflowName_s

Logic App execution distribution by workflows

Hourly timechart for Logic App execution, distribution by workflows.

// Hourly Time chart for Logic App execution distribution by workflows
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.LOGIC"
| where Category == "WorkflowRuntime"
| where OperationName has "workflowRunStarted"
| summarize dcount(resource_runId_s) by bin(TimeGenerated, 1h), resource_workflowName_s
| render timechart 

Logic App execution distribution by status

Completed executions by workflow,status and error.

//logic app execution status summary
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.LOGIC"
| where OperationName has "workflowRunCompleted"
| summarize dcount(resource_runId_s) by resource_workflowName_s, status_s, error_code_s
| project LogicAppName = resource_workflowName_s , NumberOfExecutions = dcount_resource_runId_s , RunStatus = status_s , Error = error_code_s 

Triggered failures count

Show Action/Trigger failures for all Logic App executions by Resource name.

// To create an alert for this query, click '+ New alert rule'
//Action/Trigger failures for all Logic App executions
AzureDiagnostics
| where ResourceProvider  == "MICROSOFT.LOGIC"  
| where Category == "WorkflowRuntime" 
| where status_s == "Failed" 
| where OperationName has "workflowActionCompleted" or OperationName has "workflowTriggerCompleted" 
| extend ResourceName = coalesce(resource_actionName_s, resource_triggerName_s) 
| extend ResourceCategory = substring(OperationName, 34, strlen(OperationName) - 43) | summarize dcount(resource_runId_s) by code_s, ResourceName, resource_workflowName_s, ResourceCategory, _ResourceId
| project ResourceCategory, ResourceName , FailureCount = dcount_resource_runId_s , ErrorCode = code_s, LogicAppName = resource_workflowName_s, _ResourceId 
| order by FailureCount desc 

Queries for microsoft.network

Requests per hour

Count of the incoming requests on the Application Gateway.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess"
| summarize AggregatedValue = count() by bin(TimeGenerated, 1h), _ResourceId
| render timechart

Non-SSL requests per hour

Count of the Non-SSL requests on the Application Gateway.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess" and sslEnabled_s == "off"
| summarize AggregatedValue = count() by bin(TimeGenerated, 1h), _ResourceId
| render timechart

Failed requests per hour

Count of requests to which Application Gateway responded with an error.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess" and httpStatus_d > 399
| summarize AggregatedValue = count() by bin(TimeGenerated, 1h), _ResourceId
| render timechart

Errors by user agent

Number of errors by user agent.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess" and httpStatus_d > 399
| summarize AggregatedValue = count() by userAgent_s, _ResourceId
| sort by AggregatedValue desc

Errors by URI

Number of errors by URI.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess" and httpStatus_d > 399
| summarize AggregatedValue = count() by requestUri_s, _ResourceId
| sort by AggregatedValue desc

Top 10 Client IPs

Count of requests per client IP.

AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess"
| summarize AggregatedValue = count() by clientIP_s
| top 10 by AggregatedValue

Top HTTP versions

Count of request per HTTP version.

AzureDiagnostics
| where ResourceType == "APPLICATIONGATEWAYS" and OperationName == "ApplicationGatewayAccess"
| summarize AggregatedValue = count() by httpVersion_s
| top 10 by AggregatedValue

Network security events

Find Network security events reporting blocked incoming traffic.

AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.NETWORK"  
| where Category == "NetworkSecurityGroupEvent"  
| where direction_s == "In" and type_s == "block"

Requests per hour

Render line chart showing total requests per hour for each FrontDoor resource.

// Summarize number of requests per hour for each FrontDoor resource
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorAccessLog"
| summarize RequestCount = count() by bin(TimeGenerated, 1h), Resource, ResourceId
| render timechart 

Forwarded backend requests by routing rule

Count number of requests for each routing rule and backend host per minute.

// Summarize number of requests per minute for each routing rule and backend host
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorAccessLog"
| summarize RequestCount = count() by bin(TimeGenerated, 1m), Resource, RoutingRuleName = routingRuleName_s, BackendHostname = backendHostname_s, ResourceId

Request errors by host and path

Count number of requests with error responses by host and path.

// Summarize number of requests by host, path, and status codes >= 400
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorAccessLog"
| where toint(httpStatusCode_s) >= 400
| extend ParsedUrl = parseurl(requestUri_s)
| summarize RequestCount = count() by Host = tostring(ParsedUrl.Host), Path = tostring(ParsedUrl.Path), StatusCode = httpStatusCode_s, ResourceId
| order by RequestCount desc 

Request errors by user agent

Count number of requests with error responses by user agent.

// Summarize number of requests per user agent and status codes >= 400
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorAccessLog"
| where toint(httpStatusCode_s) >= 400
| summarize RequestCount = count() by UserAgent = userAgent_s, StatusCode = httpStatusCode_s , Resource, ResourceId
| order by RequestCount desc 

Top 10 client IPs and http versions

Show top 10 client IPs and http versions.

// Summarize top 10 client ips and http versions
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorAccessLog"
| summarize RequestCount = count() by ClientIP = clientIp_s, HttpVersion = httpVersion_s, Resource
| top 10 by RequestCount 
| order by RequestCount desc

Firewall blocked request count per hour

Count number of firewall blocked requests per hour.

// Summarize number of firewall blocked requests per hour by policy
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorWebApplicationFirewallLog"
| where action_s == "Block"
| summarize RequestCount = count() by bin(TimeGenerated, 1h), Policy = policy_s, PolicyMode = policyMode_s, Resource, ResourceId
| order by RequestCount desc

Top 20 blocked clients by IP and rule

Show top 20 blocked clients by IP and rule name.

// Summarize top 20 blocked clients by IP and rule
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorWebApplicationFirewallLog"
| where action_s == "Block"
| summarize RequestCount = count() by ClientIP = clientIP_s, UserAgent = userAgent_s, RuleName = ruleName_s ,Resource
| top 20 by RequestCount 
| order by RequestCount desc

Firewall request count by host, path, rule, and action

Count firewall processed requests by host, path, rule, and action taken.

// Summarize request count by host, path, rule, and action
// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.NETWORK" and Category == "FrontdoorWebApplicationFirewallLog"
| extend ParsedUrl = parseurl(requestUri_s)
| summarize RequestCount = count() by Host = tostring(ParsedUrl.Host), Path = tostring(ParsedUrl.Path), RuleName = ruleName_s, Action = action_s, ResourceId
| order by RequestCount desc

Application rule log data

Parses the application rule log data.

AzureDiagnostics
| where Category == "AzureFirewallApplicationRule"
//this first parse statement is valid for all entries as they all start with this format
| parse msg_s with Protocol " request from " SourceIP ":" SourcePort:int * 
//Parse action as this is the same for all log lines 
| parse kind=regex flags=U msg_s with * ". Action\\: " Action "\\."
// case1: Action: A. Reason: R.
| parse kind=regex flags=U msg_s with "\\. Reason\\: " Reason "\\."
//case 2a: to FQDN:PORT Url: U. Action: A. Policy: P. Rule Collection Group: RCG. Rule Collection: RC. Rule: R.
| parse msg_s with * "to " FQDN ":" TargetPort:int * "." *
//Parse policy if present
| parse msg_s with * ". Policy: " Policy ". Rule Collection Group: " RuleCollectionGroup "." *
| parse msg_s with * " Rule Collection: " RuleCollection ". Rule: " Rule
//case 2.b: Web Category: WC.
| parse Rule with * ". Web Category: " WebCategory
//case 3: No rule matched. Proceeding with default action"
| extend DefaultRule = iff(msg_s contains "No rule matched. Proceeding with default action", true, false)
| extend 
SourcePort = tostring(SourcePort),
TargetPort = tostring(TargetPort)
| extend 
 Action = case(Action == "","N/A", case(DefaultRule, "Deny" ,Action)),
 FQDN = case(FQDN == "", "N/A", FQDN),
 TargetPort = case(TargetPort == "", "N/A", tostring(TargetPort)),
 Policy = case(RuleCollection contains ":", split(RuleCollection, ":")[0] ,case(Policy == "", "N/A", Policy)),
 RuleCollectionGroup = case(RuleCollection contains ":", split(RuleCollection, ":")[1], case(RuleCollectionGroup == "", "N/A", RuleCollectionGroup)),
 RuleCollection = case(RuleCollection contains ":", split(RuleCollection, ":")[2], case(RuleCollection == "", "N/A", RuleCollection)),
 WebCategory = case(WebCategory == "", "N/A", WebCategory),
 Rule = case(Rule == "" , "N/A", case(WebCategory == "N/A", Rule, split(Rule, '.')[0])),
 Reason = case(Reason == "", case(DefaultRule, "No rule matched - default action", "N/A"), Reason )
| project TimeGenerated, msg_s, Protocol, SourceIP, SourcePort, FQDN, TargetPort, Action, Policy, RuleCollectionGroup, RuleCollection, Rule, Reason ,WebCategory

Network rule log data

Parses the network rule log data.

AzureDiagnostics
| where Category == "AzureFirewallNetworkRule"
| where OperationName == "AzureFirewallNatRuleLog" or OperationName == "AzureFirewallNetworkRuleLog"
//case 1: for records that look like this:
//PROTO request from IP:PORT to IP:PORT.
| parse msg_s with Protocol " request from " SourceIP ":" SourcePortInt:int " to " TargetIP ":" TargetPortInt:int *
//case 1a: for regular network rules
| parse kind=regex flags=U msg_s with * ". Action\\: " Action1a "\\."
//case 1b: for NAT rules
//TCP request from IP:PORT to IP:PORT was DNAT'ed to IP:PORT
| parse msg_s with * " was " Action1b:string " to " TranslatedDestination:string ":" TranslatedPort:int *
//Parse rule data if present
| parse msg_s with * ". Policy: " Policy ". Rule Collection Group: " RuleCollectionGroup "." *
| parse msg_s with * " Rule Collection: "  RuleCollection ". Rule: " Rule 
//case 2: for ICMP records
//ICMP request from 10.0.2.4 to 10.0.3.4. Action: Allow
| parse msg_s with Protocol2 " request from " SourceIP2 " to " TargetIP2 ". Action: " Action2
| extend
SourcePort = tostring(SourcePortInt),
TargetPort = tostring(TargetPortInt)
| extend 
    Action = case(Action1a == "", case(Action1b == "",Action2,Action1b), split(Action1a,".")[0]),
    Protocol = case(Protocol == "", Protocol2, Protocol),
    SourceIP = case(SourceIP == "", SourceIP2, SourceIP),
    TargetIP = case(TargetIP == "", TargetIP2, TargetIP),
    //ICMP records don't have port information
    SourcePort = case(SourcePort == "", "N/A", SourcePort),
    TargetPort = case(TargetPort == "", "N/A", TargetPort),
    //Regular network rules don't have a DNAT destination
    TranslatedDestination = case(TranslatedDestination == "", "N/A", TranslatedDestination), 
    TranslatedPort = case(isnull(TranslatedPort), "N/A", tostring(TranslatedPort)),
    //Rule information
    Policy = case(Policy == "", "N/A", Policy),
    RuleCollectionGroup = case(RuleCollectionGroup == "", "N/A", RuleCollectionGroup ),
    RuleCollection = case(RuleCollection == "", "N/A", RuleCollection ),
    Rule = case(Rule == "", "N/A", Rule)
| project TimeGenerated, msg_s, Protocol, SourceIP,SourcePort,TargetIP,TargetPort,Action, TranslatedDestination, TranslatedPort, Policy, RuleCollectionGroup, RuleCollection, Rule

Threat Intelligence rule log data

Parses the Threat Intelligence rule log data.

AzureDiagnostics
| where OperationName  == "AzureFirewallThreatIntelLog"
| parse msg_s with Protocol " request from " SourceIP ":" SourcePortInt:int " to " TargetIP ":" TargetPortInt:int *
| parse msg_s with * ". Action: " Action "." Message
| parse msg_s with Protocol2 " request from " SourceIP2 " to " TargetIP2 ". Action: " Action2
| extend SourcePort = tostring(SourcePortInt),TargetPort = tostring(TargetPortInt)
| extend Protocol = case(Protocol == "", Protocol2, Protocol),SourceIP = case(SourceIP == "", SourceIP2, SourceIP),TargetIP = case(TargetIP == "", TargetIP2, TargetIP),SourcePort = case(SourcePort == "", "N/A", SourcePort),TargetPort = case(TargetPort == "", "N/A", TargetPort)
| sort by TimeGenerated desc 
| project TimeGenerated, msg_s, Protocol, SourceIP,SourcePort,TargetIP,TargetPort,Action,Message

Azure Firewall log data

Start from this query if you want to parse the logs from network rules, application rules, NAT rules, IDS, threat intelligence and more to understand why certain traffic was allowed or denied. This query will show the last 100 log records but by adding simple filter statements at the end of the query the results can be tweaked.

// Parses the azure firewall rule log data. 
// Includes network rules, application rules, threat intelligence, ips/ids, ...
AzureDiagnostics
| where Category == "AzureFirewallNetworkRule" or Category == "AzureFirewallApplicationRule"
//optionally apply filters to only look at a certain type of log data
//| where OperationName == "AzureFirewallNetworkRuleLog"
//| where OperationName == "AzureFirewallNatRuleLog"
//| where OperationName == "AzureFirewallApplicationRuleLog"
//| where OperationName == "AzureFirewallIDSLog"
//| where OperationName == "AzureFirewallThreatIntelLog"
| extend msg_original = msg_s
// normalize data so it's eassier to parse later
| extend msg_s = replace(@'. Action: Deny. Reason: SNI TLS extension was missing.', @' to no_data:no_data. Action: Deny. Rule Collection: default behavior. Rule: SNI TLS extension missing', msg_s)
| extend msg_s = replace(@'No rule matched. Proceeding with default action', @'Rule Collection: default behavior. Rule: no rule matched', msg_s)
// extract web category, then remove it from further parsing
| parse msg_s with * " Web Category: " WebCategory
| extend msg_s = replace(@'(. Web Category:).*','', msg_s)
// extract RuleCollection and Rule information, then remove it from further parsing
| parse msg_s with * ". Rule Collection: " RuleCollection ". Rule: " Rule
| extend msg_s = replace(@'(. Rule Collection:).*','', msg_s)
// extract Rule Collection Group information, then remove it from further parsing
| parse msg_s with * ". Rule Collection Group: " RuleCollectionGroup
| extend msg_s = replace(@'(. Rule Collection Group:).*','', msg_s)
// extract Policy information, then remove it from further parsing
| parse msg_s with * ". Policy: " Policy
| extend msg_s = replace(@'(. Policy:).*','', msg_s)
// extract IDS fields, for now it's always add the end, then remove it from further parsing
| parse msg_s with * ". Signature: " IDSSignatureIDInt ". IDS: " IDSSignatureDescription ". Priority: " IDSPriorityInt ". Classification: " IDSClassification
| extend msg_s = replace(@'(. Signature:).*','', msg_s)
// extra NAT info, then remove it from further parsing
| parse msg_s with * " was DNAT'ed to " NatDestination
| extend msg_s = replace(@"( was DNAT'ed to ).*",". Action: DNAT", msg_s)
// extract Threat Intellingence info, then remove it from further parsing
| parse msg_s with * ". ThreatIntel: " ThreatIntel
| extend msg_s = replace(@'(. ThreatIntel:).*','', msg_s)
// extract URL, then remove it from further parsing
| extend URL = extract(@"(Url: )(.*)(\. Action)",2,msg_s)
| extend msg_s=replace(@"(Url: .*)(Action)",@"\2",msg_s)
// parse remaining "simple" fields
| parse msg_s with Protocol " request from " SourceIP " to " Target ". Action: " Action
| extend 
    SourceIP = iif(SourceIP contains ":",strcat_array(split(SourceIP,":",0),""),SourceIP),
    SourcePort = iif(SourceIP contains ":",strcat_array(split(SourceIP,":",1),""),""),
    Target = iif(Target contains ":",strcat_array(split(Target,":",0),""),Target),
    TargetPort = iif(SourceIP contains ":",strcat_array(split(Target,":",1),""),""),
    Action = iif(Action contains ".",strcat_array(split(Action,".",0),""),Action),
    Policy = case(RuleCollection contains ":", split(RuleCollection, ":")[0] ,Policy),
    RuleCollectionGroup = case(RuleCollection contains ":", split(RuleCollection, ":")[1], RuleCollectionGroup),
    RuleCollection = case(RuleCollection contains ":", split(RuleCollection, ":")[2], RuleCollection),
    IDSSignatureID = tostring(IDSSignatureIDInt),
    IDSPriority = tostring(IDSPriorityInt)
| project msg_original,TimeGenerated,Protocol,SourceIP,SourcePort,Target,TargetPort,URL,Action, NatDestination, OperationName,ThreatIntel,IDSSignatureID,IDSSignatureDescription,IDSPriority,IDSClassification,Policy,RuleCollectionGroup,RuleCollection,Rule,WebCategory
| order by TimeGenerated
| limit 100

Azure Firewall DNS proxy log data

Start from this query if you want to understand the Firewall DNS proxy log data. This query will show the last 100 log records but by adding simple filter statements at the end of the query the results can be tweaked.

// DNS proxy log data 
// Parses the DNS proxy log data. 
AzureDiagnostics
| where Category == "AzureFirewallDnsProxy"
| parse msg_s with "DNS Request: " SourceIP ":" SourcePortInt:int " - " QueryID:int " " RequestType " " RequestClass " " hostname ". " protocol " " details
| extend
    ResponseDuration = extract("[0-9]*.?[0-9]+s$", 0, msg_s),
    SourcePort = tostring(SourcePortInt),
    QueryID =  tostring(QueryID)
| project TimeGenerated,SourceIP,hostname,RequestType,ResponseDuration,details,msg_s
| order by TimeGenerated
| limit 100

BGP route table

BPG route table learned over last 12 hours.

AzureDiagnostics
| where TimeGenerated > ago(12h)
| where ResourceType == "EXPRESSROUTECIRCUITS"
| project TimeGenerated , ResourceType , network_s , path_s , OperationName

BGP informational messages

BGP informational messages by level, resource type and network.

AzureDiagnostics
| where Level == "Informational"
| project TimeGenerated , ResourceId, Level, ResourceType , network_s , path_s

Endpoints with monitoring Status down

Find the reason why the monitoring status of Azure Traffic Manager endpoints is down.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceType == "TRAFFICMANAGERPROFILES"  and Category  == "ProbeHealthStatusEvents"
| where Status_s == "Down"
| project TimeGenerated, EndpointName_s, Status_s, ResultDescription, SubscriptionId , _ResourceId

Successful P2S connections

Successful P2S connections in the last 12 hours.

AzureDiagnostics 
| where TimeGenerated > ago(12h)
| where Category == "P2SDiagnosticLog" and Message has "Connection successful"
| project TimeGenerated, Resource ,Message

Failed P2S connections

Failed P2S connections in the last 12 hours.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where TimeGenerated > ago(12h)
| where Category == "P2SDiagnosticLog" and Message has "Connection failed"
| project TimeGenerated, Resource ,Message

Gateway configuration changes

Successful gateway configuration changes made by administrator during the last 24 hours.

AzureDiagnostics
| where TimeGenerated > ago(24h)
| where Category == "GatewayDiagnosticLog" and operationStatus_s == "Success" and configuration_ConnectionTrafficType_s == "Internet"
| project TimeGenerated, Resource, OperationName, Message, operationStatus_s

S2S tunnel connet/disconnect events

S2S tunnel connet/disconnect events during the last 24 hours.

AzureDiagnostics 
| where TimeGenerated > ago(24h)
| where Category == "TunnelDiagnosticLog" and (status_s == "Connected" or status_s == "Disconnected")
| project TimeGenerated, Resource , status_s, remoteIP_s, stateChangeReason_s

BGP route updates

BGP route updates over the last 24 hours.

AzureDiagnostics
| where TimeGenerated > ago(24h)
| where Category == "RouteDiagnosticLog" and OperationName == "BgpRouteUpdate"

Show logs from AzureDiagnostics table

Lists the latest logs in AzureDiagnostics table, sorted by time (latest first).

AzureDiagnostics
| top 10 by TimeGenerated

Queries for microsoft.recoveryservices

Failed backup jobs

Find logs reported failed backup jobs from the last day.

AzureDiagnostics  
| where ResourceProvider == "MICROSOFT.RECOVERYSERVICES" and Category == "AzureBackupReport"  
| where OperationName == "Job" and JobOperation_s == "Backup" and JobStatus_s == "Failed" 
| project TimeGenerated, JobUniqueId_g, JobStartDateTime_s, JobOperation_s, JobOperationSubType_s, JobStatus_s , JobFailureCode_s, JobDurationInSecs_s , AdHocOrScheduledJob_s

Queries for microsoft.servicebus

[Classic] List Management operations

This lists all the management calls.

AzureDiagnostics
| where ResourceProvider ==\"MICROSOFT.SERVICEBUS\"
| where Category == \"OperationalLogs\"
| summarize count() by EventName_s, _ResourceId

[Classic] Error Summary

Summarizes all the errors encountered.

AzureDiagnostics
| where ResourceProvider ==\"MICROSOFT.SERVICEBUS\"
| where Category == \"Error\"
| summarize count() by EventName_s, _ResourceId

[Classic] Keyvault access attempt - key not found

Summarizes the access to keyvault when key is not found.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.SERVICEBUS\"
| where Category == \"Error\" and OperationName == \"wrapkey\"
| project Message, _ResourceId

[Classic] AutoDeleted entities

Summary of all the entities that have been auto-deleted.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.SERVICEBUS\"
| where Category == \"OperationalLogs\"
| where EventName_s startswith \"AutoDelete\"
| summarize count() by EventName_s, _ResourceId

[Classic] Keyvault performed operational

Summarizes the operation performed with keyvault to disable or restore the key.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == \"MICROSOFT.SERVICEBUS\"
| where (Category == \"info\" and (OperationName == \"disable\" or OperationName == \"restore\"))
| project Message, _ResourceId

Management operations in the last 7 days

This lists all the management calls for the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d)
| where ResourceProvider =="MICROSOFT.SERVICEBUS"
| where Category == "OperationalLogs"
| summarize count() by EventName_s, _ResourceId

Errors summary

Summarizes all the errors seen in the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d)
| where ResourceProvider =="MICROSOFT.SERVICEBUS"
| where Category == "Error" 
| summarize count() by EventName_s, _ResourceId

Keyvault access attempt - key not found

Summarizes the access to keyvault when key is not found.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.SERVICEBUS" 
| where Category == "Error" and OperationName == "wrapkey"
| project Message, _ResourceId

AutoDeleted entities

Summary of all the entities that have been auto-deleted.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.SERVICEBUS"
| where Category == "OperationalLogs"
| where EventName_s startswith "AutoDelete"
| summarize count() by EventName_s, _ResourceId

Keyvault performed operational

Summarizes the operation performed with keyvault to disable or restore the key.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.SERVICEBUS"
| where (Category == "info" and (OperationName == "disable" or OperationName == "restore"))
| project Message, _ResourceId

Queries for microsoft.sql

Storage on managed instances above 90%

Display all managed instances with storage utilization above 90%.

// To create an alert for this query, click '+ New alert rule'
let storage_percentage_threshold = 90;
AzureDiagnostics
| where Category =="ResourceUsageStats"
| summarize (TimeGenerated, calculated_storage_percentage) = arg_max(TimeGenerated, todouble(storage_space_used_mb_s) *100 / todouble (reserved_storage_mb_s))
   by _ResourceId
| where calculated_storage_percentage > storage_percentage_threshold

CPU utilization treshold above 95% on managed instances

Display all managed instances with CPU treshold being over 95% of treshold.

// To create an alert for this query, click '+ New alert rule'
let cpu_percentage_threshold = 95;
let time_threshold = ago(1h);
AzureDiagnostics
| where Category == "ResourceUsageStats" and TimeGenerated > time_threshold
| summarize avg_cpu = max(todouble(avg_cpu_percent_s)) by _ResourceId
| where avg_cpu > cpu_percentage_threshold

Display all active intelligent insights

Display all active performance issues detected by intelligent insights. Please note that SQLInsights log needs to be enabled for each database monitored.

AzureDiagnostics
| where Category == "SQLInsights" and status_s == "Active"
| distinct rootCauseAnalysis_s

Wait stats

Wait stats over the last hour, by Logical Server and Database.

AzureDiagnostics
| where ResourceProvider == "MICROSOFT.SQL"
| where TimeGenerated >= ago(60min)
| parse _ResourceId with * "/microsoft.sql/servers/" LogicalServerName "/databases/" DatabaseName
| summarize Total_count_60mins = sum(delta_waiting_tasks_count_d) by LogicalServerName, DatabaseName, wait_type_s

Queries for microsoft.streamanalytics

List all input data errors

Shows all errors that occurred while processing the data from inputs.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics 
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).Type == "DataError" 
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all input deserialization errors

Shows errors caused due to malformed events that could not be deserialized by the job.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType in ("InputDeserializerError.InvalidData", "InputDeserializerError.TypeConversionError", "InputDeserializerError.MissingColumns", "InputDeserializerError.InvalidHeader", "InputDeserializerError.InvalidCompressionType")
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all InvalidInputTimeStamp errors

Shows errors caused due to events where value of the TIMESTAMP BY expression can't be converted to datetime.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and  parse_json(properties_s).DataErrorType == "InvalidInputTimeStamp"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all InvalidInputTimeStampKey errors

Shows errors caused due to events where value of the TIMESTAMP BY OVER timestampColumn is NULL.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and  parse_json(properties_s).DataErrorType == "InvalidInputTimeStampKey"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Events that arrived late

Shows errors due to events where difference between application time and arrival time is greater than the late arrival policy.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and  parse_json(properties_s).DataErrorType == "LateInputEvent"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Events that arrived early

Shows errors due to events where difference between Application time and Arrival time is greater than 5 minutes.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "EarlyInputEvent"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Events that arrived out of order

Shows errors due to events that arrive out of order according to the out-of-order policy.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "OutOfOrderEvent"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

All output data errors

Shows all errors that occurred while writing the results of the query to the outputs in your job.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType in ("OutputDataConversionError.RequiredColumnMissing", "OutputDataConversionError.ColumnNameInvalid", "OutputDataConversionError.TypeConversionError", "OutputDataConversionError.RecordExceededSizeLimit", "OutputDataConversionError.DuplicateKey")
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all RequiredColumnMissing errors

Shows all errors where the output record produced by your job has a missing column.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "OutputDataConversionError.RequiredColumnMissing"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all ColumnNameInvalid errors

Shows errors where the output record produced by your job has a column name that doesn't map to a column in your output.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "OutputDataConversionError.ColumnNameInvalid"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all TypeConversionError errors

Shows errors where the output record produced by your job has a column can't be converted to a valid type in the output.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "OutputDataConversionError.TypeConversionError"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all RecordExceededSizeLimit errors

Shows errors where the size of the output record produced by your job is greater than the supported output size.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and  parse_json(properties_s).DataErrorType == "OutputDataConversionError.RecordExceededSizeLimit"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

List all DuplicateKey errors

Shows errors where the output record produced by job contains a column with the same name as a System column.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).DataErrorType == "OutputDataConversionError.DuplicateKey"
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

All logs with level "Error"

Shows all logs that are likely to have negatively impacted your job.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and Level == "Error" 
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Operations that have "Failed"

Shows all operations on your job that have resulted in a failure.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and status_s == "Failed" 
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Output Throttling logs (Cosmos DB, Power BI, Event Hubs)

Shows all instances where writing to one of your outputs was throttled by the destination service.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).Type in ("DocumentDbOutputAdapterWriteThrottlingError", "EventHubOutputAdapterEventHubThrottlingError", "PowerBIServiceThrottlingError", "PowerBIServiceThrottlingError")
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Transient input and output errors

Shows all errors related to input and output that are intermittent in nature.

// To create an alert for this query, click '+ New alert rule'
AzureDiagnostics
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).Type in ("AzureFunctionOutputAdapterTransientError", "BlobInputAdapterTransientError", "DataLakeOutputAdapterTransientError", "DocumentDbOutputAdapterTransientError", "EdgeHubOutputAdapterEdgeHubTransientError", "EventHubBasedInputInvalidOperationTransientError", "EventHubBasedInputOperationCanceledTransientError", "EventHubBasedInputTimeoutTransientError", "EventHubBasedInputTransientError", "EventHubOutputAdapterEventHubTransientError", "InputProcessorTransientFailure", "OutputProcessorTransientError", "ReferenceDataInputAdapterTransientError", "ServiceBusOutputAdapterTransientError", "TableOutputAdapterTransientError")
| project TimeGenerated, Resource, Region_s, OperationName, properties_s, Level, _ResourceId

Summary of all data errors in the last 7 days

Summary of all data errors in the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d) //last 7 days
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and parse_json(properties_s).Type == "DataError"
| extend DataErrorType = tostring(parse_json(properties_s).DataErrorType)
| summarize Count=count(), sampleEvent=any(properties_s)  by DataErrorType, JobName=Resource

Summary of all errors in the last 7 days

Summary of all errors in the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d) //last 7 days
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS"
| extend ErrorType = tostring(parse_json(properties_s).Type)
| summarize Count=count(), sampleEvent=any(properties_s)  by ErrorType, JobName=Resource

Summary of 'Failed' operations in the last 7 days

Summary of 'Failed' operations in the last 7 days.

AzureDiagnostics
| where TimeGenerated > ago(7d) //last 7 days
| where ResourceProvider == "MICROSOFT.STREAMANALYTICS" and status_s == "Failed" 
| summarize Count=count(), sampleEvent=any(properties_s) by JobName=Resource