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Summary
For regulated industries, large enterprises, and mission-critical workloads, choosing the right cloud service matters. Azure developed, services—operated, secured, and supported by Microsoft—offer a fundamentally different level of control, compliance, and integration than third-party vendor-managed offerings and ISV integrations. This distinction is essential when evaluating managed MongoDB services on Azure. All first-party Azure services can be found on in the Azure products page.
First-party vs. third-party ISV integration: What’s the difference?
Azure includes both first-party services (built and operated by Microsoft) and third-party services (published by ISVs such as MongoDB Inc.). These are fundamentally different in how they behave, integrate, and meet compliance expectations.
| Aspect | Azure Cosmos DB for MongoDB vCore | MongoDB Atlas on Azure |
|---|---|---|
| Developed By | Microsoft | MongoDB Inc. (third-party ISV integration) |
| Support | Azure Support | MongoDB Inc. Support (separate contract) |
| SLA Coverage | End-to-end Microsoft-backed SLA | Vendor SLA excludes hardware, networking, and more. |
| Compliance Responsibility | Microsoft | MongoDB Inc. |
| Data Residency & Control | Full Microsoft control plane + Azure policy | Vendor-controlled environment |
| Network Integration | Native Private Link, Entra ID (Management and Data), RBAC | Limited/varies by vendor tier |
Why this matters for mission-critical applications
1. Security and compliance
Mission-critical workloads demand full control over data and infrastructure. First-party services such as Cosmos DB for MongoDB vCore are built for Microsoft’s extensive compliance portfolio, including:
- UAE DESC
- FedRAMP
- ISO 27001, 27017, 27018
- HIPAA, PCI DSS, SOC 1/2/3
With third-party services such as MongoDB Atlas, Microsoft is not responsible for the service’s compliance posture- the vendor is.
2. Support and escalation
When running a native service:
- Azure Support covers everything from infrastructure to service behavior.
- No need to escalate across companies or manage vendor SLAs.
- Microsoft support teams engage directly, with full telemetry and control.
3. Identity and access integration
Cosmos DB for MongoDB vCore integrates natively with:
- Entra ID (formerly Azure AD) to access your data and manage resources.
- Role-Based Access Control (RBAC)
- Azure policies and Private Link
This ensures centralized governance of who accesses what and how.
4. Cost, billing, and SLA simplicity
- Full-stack SLA covering the entire product
- No data transfer fees
- No charges for Backups
- No hidden support tiers doubling your cost
Cosmos DB for MongoDB vCore: enterprise-ready, Microsoft-operated
Azure Cosmos DB for MongoDB vCore is a first-party service delivering:
- Nearly 100% MongoDB wire protocol compatibility
- Truly (MIT) open source, multi-cloud engine. Without server-side public license limitations.
- AI-first capabilities such as vector search
- Global scalability, autoscale, and hybrid identity
- Full stack SLA covering the database, compute, storage, and networking
Conclusion
When uptime, compliance, support, and control matter, only a first-party Azure service provides the trust and guarantees needed. Cosmos DB for MongoDB vCore is purpose-built by Microsoft for enterprise-grade, mission-critical workloads.