my office use exchange 2k server behind ISA server : when i use IE 6 to browsing OWA exchange server webmail : If I use IP address : http://204.77.238.128/exchange/user ( NO PROBLEM ) If I use name domain : http://server domain/exchange/user ( PROBLEM ) Cannot find server or DNS Error Internet Explorer what happened with ISA and exchange. --------------------------------- Do You Yahoo!? HotJobs, a Yahoo! service - Search Thousands of New Jobs