Microsoft has released an out-of-band patch to fix a Windows Server bug that was preventing Remote Desktop connections and causing performance issues.
Released on January 4, the update comes with the following changes.
Addresses a known issue that might prevent you from using Remote Desktop to reach the server. In some circumstances, the server might stop responding. The screen might also appear black, and general performance and signing in might be slow.
Microsoft issued updates for Windows Server 2022, Windows Server 2019, Windows Server 2016, and Windows Server 2012 R2. There is also a dedicated support page for Azure Stack HCI.
None of the updates are available on Windows Updates. If your infrastructure is affected, you need to install the appropriate patch manually by following steps in support pages:
- Windows Server 2022, KB5010197 (OS Build 20348.407)
- Windows 10, version 1607, all editions Windows Server 2016, all editions, KB5010195 (OS Build 14393.4827)
- Windows 10 Enterprise 2019 LTSC Windows 10 IoT Enterprise 2019 LTSC Windows 10 IoT Core 2019 LTSC, KB5010196 (OS Build 17763.2369)
- Azure Stack HCI, version 21H2, KB5010197.
The patches are cumulative updates, so they do not require updating the Server installation before installing them.
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