We have a small training network with server 2003, and XP clients and users in a AD domain. A printer is connected to a client with USB. We are trying to share the printer to all the users but it's not working. We come so far as the users can see the printer when they search for it. But when they try to add it, there appears a pop up window for user name and password. No matter what user name we try it doesn't work. We have checked the shared printer's security settings and they are all in order. Everyone has printer rights. But even with full rights it doesn't work. The only ones it works for are Domain Admins.

Anyone have any ideas?