This error code indicates that there's a problem with the remote desktop connection, preventing the user from accessing the remote computer.

"The remote computer disconnected. The error code is 0x3 0x11."

The RDP error 0x3 0x11 can be frustrating, but by understanding its causes and symptoms, you can troubleshoot and resolve the issue. By following the solutions outlined in this article, you should be able to establish a successful remote desktop connection using RDP. If you're still experiencing issues, consider seeking additional help from Microsoft support or a qualified IT professional.