Microsoft has confirmed that October 2026 Windows Server security updates are causing issues with Outlook on the Web sign-ins and mail delivery for some on-premises Exchange Server environments.
Microsoft will deprecate the Windows Deployment Services (WDS) role in future Windows Server releases, prompting IT administrators to migrate to alternative deployment tools.
Microsoft has released emergency out-of-band updates to fix critical Remote Desktop Services (RDS) instability and Hyper-V issues caused by recent security patches.
Microsoft has confirmed that September 2026 security updates are causing widespread Remote Desktop Services (RDS) failures across Windows Server, Windows 10, and Windows 11 systems.
