: The tssdis.exe (Remote Desktop Connection Broker) service on the server may have failed to start or is not responding.
Expand , right-click Microsoft Remote Display Adapter , and select Uninstall . rdp error code 0x3 extended error code 0x7
4.2 Reverse DNS / FQDN & certificate issues : The tssdis
Check that the service starts automatically. right-click Microsoft Remote Display Adapter
: Conflicting security settings can block the initial handshake.