Hi to al, First of all thanx to all and specially to Mr. Schinder for helping us to solve problems and earning our BREAD & BUTTER. ** My New Problem is*** I've configured 2 ISA Servers in an ARRAY & has also configured them for Fault Tolearance. I'm facing one peculiar problem on one web site. ITs a Web mail site. whenver i log on to that site with my username & Id a Message is falshed stating that "Your session is timed out" relogon . when i relogon it works fine. this problem comes sometimes. Microsoft knowledge base says the this problem comes for reverse publishing but i'm facing it in normaly /forward browsing only..so pl can anyone tell me/help me. thanx for reading. YT