If the protocol negotiation continues to fail, you may need to force the security layer configuration via the Windows Registry. Press Windows Key + R , type regedit , and press .
The specific combination of a 0x3 primary error with an 0x11 extended error is documented as a symptom of the UDP transport failing to maintain its connection state through network translation or firewalls, causing the client to drop the connection when the UDP heartbeat fails. rdp 0x3 0x11
"Extended error 0x11," Elias muttered, rubbing his eyes. In the world of RDP, that was the code for "Everything looks fine, but I refuse to show you the screen". If the protocol negotiation continues to fail, you
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). "Extended error 0x11," Elias muttered, rubbing his eyes
1. Fix the Microsoft Remote Display Adapter (Highest Success Rate)