Error 633
Error 633 Modem Is Already in Use
Symptoms: When you try to use your modem on a Windows...
Error 682
Error 682: When VPN clients try to remotely log on to your network, they may be denied access....
Error 721
Error 721: Remote PPP peer or computer is not responding.Resolution: If you have tried many thing...
Error 800
Error 800: Unable to establish the VPN connection. The VPN server may be un-reachable, or...
Error 806
Error 806: a connection between your computer and the VPN server has been established...