With the arrival of the update to version W11H2, Microsoft scored again, and it became impossible for users using RDP to connect to remote sources (Work Resources).
At the time of writing this article, there is no original update, so you have to improvise.
Replace the mstsc.exe and dll files from the computer running version 22H1 (both 32 and 64-bit folders need to be replaced) (You can also use these files from Windows 10).
Apply write to registers:
In the tree
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client]
A restart is not necessary.