On Wed, 13 Oct 2004 16:59:46 -0400, Amy Kohler <akohler@xxxxxxxxxxxxx> wrote: > http://www.MSExchange.org/ > > I can telnet and verify from the front end to the back end on 80, 25, 691, > 389, 3268, 88, 53, 135 and 1024 and above. > Therefore, it makes me believe it's a configuration problem on the FE server. > Have I stumped ya? Anything interesting in the event log, IIS access logs, etc.. on both servers? Do you have a preferred packet sniffer, if not, Windows has one built-in, although there are lots of other more advanced ones out there. Search google if you don't have one. Anyway, sniff the traffic for more troubleshooting info. ...D