Microsoft confirmed that September 2026 security updates are causing Remote Desktop Services failures on Windows Server, Windows 10, and Windows 11 systems. The issue can break RDP connections, freeze related tools, and may be temporarily mitigated with Group Policy or by restarting affected virtual machines. #Microsoft #RemoteDesktopServices #WindowsServer #Windows10 #Windows11
Keypoints
- September 2026 updates are causing RDS failures on multiple Windows versions.
- RDP connections may fail after several minutes or hang during sign-in.
- MMC, RDS Licensing Diagnoser, File Explorer, and Windows Update may become unresponsive.
- Microsoft offers Group Policy mitigations for enterprise-managed devices.
- Temporary recovery may require restarting virtual machines or rolling back the updates.