Hello..... hopefully you pplz can solve my problem the problem is that......i am using win2000 domain server with ISA,after 2,3 months of installing ISA caching creates problem ..and the clients started to get old pages again and again and even yahoo mail of one client is opening at another clients pc they are getting lot of problem using yahoo mail,it gives many times invalid password.and the problem of old pages is still there..... Hope u can help thx __________________________________ Do you Yahoo!? Free Pop-Up Blocker - Get it now http://companion.yahoo.com/