Microsoft fixes Remote Desktop freezes caused by Windows updates

​Microsoft has resolved a known issue causing Remote Desktop sessions to freeze on Windows Server 2025 and Windows 11 24H2 devices.

While the issue affecting Windows 11 systems was addressed on February 25 with the KB5052093 optional update, Microsoft says it has also fixed it on impacted Windows Server devices with the KB5055523 Patch Tuesday cumulative update on April 8.

“After installing the February 2025 Security update (KB5051987), released February 11, 2025, and later updates, on Windows Server 2025 devices, you might experience Remote Desktop sessions freezing shortly after connection,” the company said.

“When this issue occurs, mouse and keyboard input become unresponsive within the session, requiring users to disconnect and reconnect. We recommend you install the latest update for your device as it contains important improvements and issue resolutions, including this one.”

Last month, Microsoft also used a Windows feature known as Known Issue Rollback (KIR), which reverses buggy non-security updates, to resolve similar Remote Desktop and RDS connection issues caused by Windows 11 24H2 updates released since January 2025.

As Redmond explained, when establishing UDP connections from Windows 11 24H2 PCs to RDS hosts on Windows Server 2016 systems, users faced RDP disconnections lasting up to 65 seconds on impacted PCs.

With this month’s cumulative updates, a permanent fix addressing the RDP disconnection problems for home users was also made generally available.

Today, Microsoft announced that a long-standing bug causing blue screen errors and installation issues on Windows Server 2025 systems with over 256 logical processors was resolved in updates released since the KB5046617 cumulative update issued as part of the November Patch Tuesday.

Earlier this month, it said that some Windows users might experience issues logging into their accounts using Windows Hello after installing the April 2025 security updates on server and client devices.

The company also warned that some Windows Server 2025 domain controllers (DCs) might become unreachable after being restarted, causing services and apps to fail.