Microsoft has identified issues caused by September 2025 security updates that disrupt Active Directory synchronization on Windows Server 2025. The company is working on fixes and has provided a temporary registry workaround for affected administrators. #Active DirectoryIssues #WindowsServer2025
Keypoints
- September 2025 security updates cause Active Directory synchronization problems on Windows Server 2025.
- Microsoft recommends adding a specific registry key as a workaround to prevent sync disruptions.
- The root cause of the synchronization failure remains unclear, and a permanent fix is in progress.
- Other issues include Windows update failures on Windows 11 24H2 and Windows Server 2025 devices.
- Microsoft is actively addressing known bugs impacting Azure VMs and Windows domain controllers.