I'm trying to allow CIFS under Windows 2000 from the Inside to DMZ1. I opened up 445 ports, and as longs as one person is transfering files, everything works great. The instant a second inside person start tying to copy files, the first file copy stops. I am using Port Address Translation I am using a net use command that has a different UN PW than my normal account When I change it to NAT (ie. not PAT) it works just fine. Why is this? Thanks in advance, Paul Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=17469&t=17469 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]