VNC Connect Error Messages – RealVNC Help Center
help.realvnc.com › hc › en-usAug 15, 2019 · On the remote computer, type eventvwr into the Start menu, select Windows Logs > Application, and examine VNC Server events. Unable to connect to VNC Server using your chosen security setting. Either upgrade VNC Server to a more recent version from RealVNC, or select a weaker level of encryption (Previously: No Matching Security Types)
Debug “Failed to connect to server!”
www.bevingtontechnologies.com › www › VNCmy server were listening on a different port. If NOT LISTENING, and you installed the UltraVNC server as a service, check to see that it has been started. Click Start • Run, type services.msc, and press <Enter>. In the list of services you should see VNC Server and its Status should be Started and its Startup Type should be Automatic.
Why can’t I connect? – RealVNC Help Center
help.realvnc.com › hc › en-usAug 23, 2019 · If you have an Enterprise subscription and you are establishing a direct connection: Have you entered the remote computer’s IP address or hostname into VNC Viewer correctly, including a port number if required? If VNC Server is not listening on port 5900, enter :<1-99> for ports in the range 5901-5999, for example 192.168.5.127:80 for port 5980, and ::<full-number> for all other ports, for example 192.168.5.127::80 for port 80.
Debug “Failed to connect to server!”
www.bevingtontechnologies.com/www/VNC/docs/debug_faile_to_con…If NOT LISTENING, and the server is running verify that it is listening on the port you think. Double-click on the server’s eyeball icon, , to open the administrative properties. Verify that the Main: port under Incoming Connections is set to 5900 or that Auto is selected which will also cause the server to listen on port 5900. Once the UltraVNC server is running and listening on the port we ...