this issue is caused by 22H2 windows 11 update . I found this process to fix this error on Windows 11 client
open registry editor as administrator
navigate to
Registry Information: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client
Right Click inside white area create New Dword 32 Bit and call it: fClientDisableUDP
Double Click and Set value to 1
restart your computer
After restart you will be able to login to terminal server
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