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📖 What is Microsoft Entra Cloud Sync?

Microsoft Entra Cloud Sync is a lightweight agent-based synchronization tool that provides a simplified alternative to Microsoft Entra Connect. It offloads the synchronization logic to the cloud, reducing the on-premises infrastructure footprint and simplifying the deployment of identity sync.

🥋 Sensei Says:

"Student, focus on the 'lightweight' aspect; Cloud Sync is often the better choice for smaller environments or those with limited on-premises server resources."

📚 Certification: Microsoft 365 Administrator (MS-102)

🔑 What are the Key Concepts of Microsoft Entra Cloud Sync?

  • Cloud-based synchronization logic moves the processing engine from on-premises servers to the cloud, significantly reducing the local hardware and maintenance requirements.
  • Lightweight agent architecture requires only a small installation on-premises to facilitate communication, making it ideal for resource-constrained environments or small businesses.
  • Support for disconnected forests allows synchronization from multiple Active Directory forests into a single Entra ID tenant without requiring complex forest trusts.
  • Outbound connectivity utilizes a secure outbound connection to the cloud, simplifying firewall configurations by eliminating the need for open inbound ports.
  • Simplified management allows administrators to configure synchronization scopes and monitor health directly from the Entra admin center rather than a local console.

🎯 How does Microsoft Entra Cloud Sync appear on the MS-102 Exam?

You may be asked to recommend a synchronization solution for a company with multiple disconnected Active Directory forests that must sync to one Entra ID tenant.

A scenario might describe a small organization with limited server resources where the overhead of a full Microsoft Entra Connect installation is not feasible.

Expect questions comparing Entra Connect and Cloud Sync, specifically focusing on where the synchronization logic resides and the resulting impact on on-premises infrastructure.

❓ Frequently Asked Questions

When should I choose Entra Connect over Cloud Sync?

Choose Entra Connect when you require advanced features not yet available in Cloud Sync, such as password writeback, device writeback, or highly complex attribute filtering rules.


Can I use both Entra Connect and Cloud Sync in the same tenant?

Yes, but you must ensure they are targeting different sets of users or groups to avoid synchronization conflicts and identity duplication within the tenant.


Does Cloud Sync require a dedicated server for the agent?

While a dedicated server is a best practice for stability, the agent's lightweight nature allows it to run on existing infrastructure with minimal performance impact.

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