Set it to and choose RDP or SSL (TLS) from the dropdown. 3. Disable UDP for RDP
Error 0x11 corresponds to ERROR_NETWORK_UNREACHABLE . The RDP client successfully resolved the remote hostname (unlike 0x3) but to port 3389. The network route is blocked or missing.
: Removing "Read" access for the Users group on the system drive ( C:\ ) can unexpectedly break RDP sessions with this code. Recommended Solutions
Right-click on the right pane, select > DWORD (32-bit) Value . Name it fClientDisableUDP and press Enter. Double-click the new value and change its data from 0 to 1 . Restart your PC. Method 3: Clear and Renew Your IP Configuration rdp 0x3 0x11
: When the UDP "heartbeat"—a small signal sent to prove the connection is still alive—failed to get through, the RDP client assumed the server was gone and cut the line. The Exorcism
Did this error start happening , or is this a brand-new connection setup?
He clicked "Connect" on his Remote Desktop client. The authentication box popped up—a good sign. He entered his credentials, the screen flickered to black for a heartbeat, and then... nothing . A sterile grey box appeared with a message that felt like a slap in the face: Set it to and choose RDP or SSL (TLS) from the dropdown
Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\Client
: The error often triggers when the faster UDP protocol "glitches" out.
Because the virtual display driver crashes or fails to start ( RdpIdd_IndirectDisplay error), the RDP session has nowhere to draw the desktop. It signs you in for half a second, sees a black void, and immediately kicks you out with Code 0x11 . 💡 Key Takeaway The RDP client successfully resolved the remote hostname
driver can sometimes crash or enter a state where it refuses to initialize the session.
The RDP 0x3 0x11 error is usually a minor communication hitch rather than a major system failure. Clearing cached credentials and adjusting your Network Level Authentication settings will resolve the issue in most cases. Always ensure your host and client devices operate on a "Private" network profile to prevent automatic firewall blocks. If you are still unable to connect, let me know: Are you using a or a corporate network ?