Microsoft Issues 'Out-of-Band' Remote Desktop Patches for Windows Server

Microsoft this week issued unscheduled ("out-of-band") patches for Remote Desktop issues affecting supported Windows Server products.

The patches are designed to address "a known issue that might prevent you from using Remote Desktop to reach the server." End users also may see a black screen or have "general performance" problems, plus "signing in might be slow," Microsoft indicated.

Here are the servers affected (as compiled by

These Knowledge Base (KB) articles reference the same problem, but are kind of scattered. Microsoft issued them either on Jan. 4 or Jan. 5.

Microsoft isn't automatically delivering these patches to Windows Server users. IT pros have to download them from the Microsoft Update Catalog and then install them. Each Knowledge Base article (listed above) contains links to the catalog page where there are patches for the affected Windows Server products.

A requirement before installing the patches is to have an August servicing stack update (SSU) installed beforehand.

"You must install the August 10, 2021 SSU (KB5005112) before installing the LCU [latest cumulative update]," Microsoft indicated.

An SSU is a patch for Microsoft's update mechanism for Windows systems, and it can't be removed once it gets installed. Latest cumulative updates (released monthly), though, can be rolled back.

Microsoft's Knowledge Base articles listed "known issues" associated with the patches that may give IT pros a pause, depending on circumstances.

About the Author

Kurt Mackie is senior news producer for 1105 Media's Converge360 group.


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