Post-deployment configurations by using extensions

Azure Resource Manager template (ARM template) extensions are small applications that provide post-deployment configuration and automation tasks on Azure resources. The most popular one is virtual machine extensions. See Virtual machine extensions and features for Windows, and Virtual machine extensions and features for Linux.

The existing extensions are:

• Microsoft.Compute/virtualMachines/extensions
• Microsoft.Compute virtualMachineScaleSets/extensions
• Microsoft.HDInsight clusters/extensions
• Microsoft.Sql servers/databases/extensions
• Microsoft.Web/sites/siteextensions

To learn how to use these extensions, see:

• Tutorial: Deploy virtual machine extensions with ARM templates.
• Tutorial: Import SQL BACPAC files with ARM templates