Resolving Sync Issues with Disabled OUs in Azure AD Connect
In the dynamic world of IT, managing user accounts efficiently across on-premises Active Directory (AD) and Azure AD is crucial. However, unexpected synchronization issues can pose significant challenges. Recently, I encountered a situation where users in a disabled Organizational Unit (OU) were inadvertently moved to the deleted items in Azure AD due to a sync configuration issue. Here's a detailed account of the problem and how we resolved it.
The Problem
Client use Azure AD Connect to sync our on-premises AD with Azure AD. To manage inactive users, client move them to a "Disabled" OU in his on-premises AD. Unfortunately, due to a technical issue, the "Disabled" OU was deselected in the Azure AD Connect sync scope. Consequently, users in this OU were marked as deleted in Azure AD.
Once we identified the issue, we re-enabled the sync for the "Disabled" OU, but the users did not reappear in the active user list in Azure AD; instead, they remained in the deleted items. This posed a critical problem as these users were still active in our on-premises AD.
Steps to Resolve the Issue
Here's how we tackled the problem:
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Handling Users Still in Deleted Items
If users were still in the deleted items after re-synchronization, we restored them manually:
Final Thoughts
This experience underlined the importance of regularly verifying synchronization settings and monitoring sync health. It also highlighted the need for robust procedures to manage unexpected issues.
For more details on Azure AD Connect synchronization and troubleshooting, check out this Microsoft Documentation.
Sharing these insights with the tech community can help others navigate similar challenges effectively. Have you faced any synchronization issues with Azure AD Connect? Share your experiences and solutions in the comments!