Yesterday, Microsoft released KB5010196 (OS Build 17763.2369) Out-of-band fix, for users having troubles making a connection to the server with Remote Desktop under specific circumstances.
The new update also takes care of a slow performance issue, after installing KB5010196 it should be fixed.
This update applies to Windows 10 Enterprise 2019 LTSC Windows 10 IoT Enterprise 2019 LTSC Windows 10 IoT Core 2019 LTSC.
Improved or Fixed with KB5010196
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.
You must install August 10, 2022, SSU (KB5005112) before installing the LCU.
Similar problem on Windows Server 2012 R2: Read More