Nicholson, Rob said: >>The user of the desktop must allow me to work on his computer answering >> yes > / no on a pop-up windows. > > Don't think it does this but what we usually do is call them and say > "we're > about to take over your PC for a few mins" :-) Yes it does and it is documented. Check the "QuerySetting" and "AuthHosts" documentation. http://www.realvnc.com/winvnc.html -- William Hooper