I have the same problem even though all current updates of Windows 11 are installed on the client machine. Everything works fine on Windows 10, but RDP doesn't work when switching to Windows 11.
Disabling UDP still partially solves this problem.
Issues with Remote Desktop on Windows 11 after Update 22H2
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Anonymous
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.
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.
The only workaround we have found is to make the following change on the Windows 11 computer.
Have to set this value to 1 in the registry for Windows 11 client to work outside the network
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client
KEY VALUE - fClientDisableUDP SET TO 1
Otherwise the Remote client just keeps trying to connect via UDP.
This issue did not start until the Windows 11 update was installed over the last couple days.
Jeff
Windows for business | Windows Server | User experience | Remote desktop clients
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Anonymous
2023-05-12T22:50:36+00:00 -
Anonymous
2023-05-13T14:54:24+00:00 I have the latest update and still having issues stating I have the wrong user or password..so sick of this and Microsoft wants to charge for support on an issue that known and many are having the same problem..
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Anonymous
2023-05-13T15:18:38+00:00 I have the latest update and still having issues stating I have the wrong user or password..so sick of this and Microsoft wants to charge for support on an issue that known and many are having the same problem..
That’s a completely different problem than the Remote Desktop connection freezing while connecting/UDP issue.
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Anonymous
2023-05-15T19:09:11+00:00 I have the latest update and still having issues stating I have the wrong user or password..so sick of this and Microsoft wants to charge for support on an issue that known and many are having the same problem..
If you use a local PIN to log in instead of a password, remote desktop wants the PIN not the password. That may help for some users.
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Anonymous
2023-05-16T20:31:25+00:00 I have the same issue since couple days. Windows 11 with lastest update on both PC. When connecting to a Windows 10 PC, it work. Any solution ? Thank you! I already put the settings in the registry.