How to Handle Microsoft's Emergency Windows Server Update for RDP

Jan 6, 2022

Microsoft released out-of-band patches on January 4, 2022, to address a Windows Server bug in Remote Desktop Protocol (RDP), stating that the released patches “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."

Affected platforms include:

  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2

What Coretek is Doing for Customers

Coretek will continue to monitor developments related to this Windows Server bug and share any relevant or actional information as it becomes available.

Our Recommendations

Patch Critical Servers

Patch critical servers where the business cannot tolerate unexpected RDP issues.

Note: Some patches have been released that can cause issues. We recommend testing the patches before applying them to critical systems.

You must manually download patches from the Microsoft Update Catalog as they are not currently being released through Microsoft updates.

Patches are available for:

  • Windows Server 2019
  • Windows Server 2012 R2.

Refer to the following knowledge base articles for details: KB5010196 and KB5010215.

We expect patches for the remaining affected systems to be released over the next few days.

Continue to Monitor Systems

Continue to monitor your systems and apply the patches if your business experiences any issues.

References & Additional Resources

If you are a Coretek customer, have any questions about Coretek remediation actions or your support agreements with Coretek, or are a visitor who would like more information, please use the button below to get in touch.


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