I understand what they both are in theory, as servers, I don't understand the reason to use the use a caching server over a secondary though. Can someone lend an idea on this? thanks in advance Becki Kain beckers at furph.com -- furph, Inc. WWW/Unix/Windows Solutions 734-513-7763 (voice) info at furph.com http://www.furph.com 734-513-7759 (FAX)