September Windows Server Updates Break Remote Desktop Services Across 2019, 2022, and 2025

Windows administrators have reported that the September 2026 cumulative updates are leading to failures of Remote Desktop Services (RDS) on Windows Server 2019, 2022, and 2025, which stops users from being able to connect and, in a number of instances, necessitates a hard reset in order to get the service working again. These issues occur after the September 2026 Patch Tuesday cumulative updates have been installed, with the servers having worked normally for a few hours before the connection fa