<A target="_blank" href="http://www-10.lotus.com/ldd/dominowiki.nsf/dx/Server_Not_Responding_Troubleshooting_Guide">This Notes and Domino Wiki provides a variety of settings you can check </A>when your client starts complaining it can't find your server. The final entry is "sending information to your support desk", to which I might add "call to make sure the server is on-line."