• Microsoft investigates Windows 11 22H2 Remote Desktop issues

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    https://www.bleepingcomputer.com/news/microsoft/microsoft-investigates-windows-11-22h2-remote-desktop-issues/

    Microsoft is investigating user reports of issues with Remote Desktop on Windows 11 systems after installing the Windows 11 2022 Update.

    Affected administrators and home users have been sharing their experiences across several online platforms, including Microsoft’s Q&A community platform for IT professionals.

    Installing the Windows 11 22H2 feature update will cause Remote Desktop clients not to connect, randomly disconnect, or freeze unexpectedly.

    “All of our Remote Desktop Users using Windows 11 are having problems connecting to Remote Desktop after installing this update. It just hangs at connecting,” one Windows admin said on Microsoft’s Community site.

    “We have found that there is a bug in the Remote Desktop client so that it is only trying the UDP connection and not trying TCP connection. We only allow the port 443 connection through on our firewall.”

    “Windows 11 22H2 breaks Remote Desktop connections via a gateway. Seems a pretty big issue to me, which apparently was reported. Why was something like this not fixed before release?” another user tweeted.

    “I have several clients on Windows 11, and after the update 22H2, they were not able to log to our RDS servers. I tried without the firewall, nothing changed. The problem disappeared after the rollback, they have been able to log back in,” a third one said on Microsoft Q&A…

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    • #2485902

      Until Redmond provides official mitigation measures, you can address the problems by rolling back the Windows 2022 Update or disabling UDP connections on affected clients.

      To disable UDP connections, you have to go to HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client using the Registry Editor, create a new DWORD entry named fClientDisableUDP with a value of 1, and restart the device.

      You can also toggle on the “Turn Off UDP On Client” policy from Computer Configuration > Administration Templates > Windows Components > Remote Desktop Services > Remote Desktop Connection Client via the Group Policy Editor. No restart is required

      Windows 11 Pro version 22H2 build 22621.900 + Microsoft 365/Edge

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