UltraVNC

When you are in the server (the host machine, the machine you are trying to connect to), the VNC logo should be running in the system tray (bottom right near the clock, the logo looks like an eye). Right click that eye and go to the "About WinVNC option". The first line should tell you the version ...

yossik: I've had problems with the authentication via command line if the Server version is below 1.0.2. Check that it isn't an old version. I for one find this ridiculous. I can specify command line arguments, but the .vnc files can't save the username and passwords for domain authentication ...

i ran this command

"C:\Program Files\UltraVNC\vncviewer.exe" -user YourUserName -password YourUserPassword hostname

and it still prompted me for my user name and password

plastikat
could you give me a sample of the command line used to conect?