You can adjust RDP behavior to prevent it from relying on physical display hardware. Press Win + R , type gpedit.msc , and hit Enter.
This post breaks down what these codes mean and how to resolve the underlying issue. rdp 0x3 0x11
When these appear together, it usually indicates that the RDP client successfully reached the server, but the server could not locate the necessary Licensing Path or Terminal Server Licensing Group to issue a license. The session is dropped because the "path" to a valid license (0x3) results in a "group not found" (0x11). You can adjust RDP behavior to prevent it
: Turning off a physical monitor connected to the host can sometimes trigger this error as Windows interprets it as a "removed display". When these appear together, it usually indicates that
Here is a story of a system administrator facing this exact ghost in the machine. The Ghost in the Connection
Explain Like I'm 5: Remote Desktop Protocol (RDP) - CyberArk