Thanks Thomas. It's a school and they insisted on it. Interestingly, DC works fine and clients have no problems at all (there is a rule "allow all", I was told). The problem their admin experienced was related to accessing a share hosted on this ISA box by their MS SMS (another box). I have not logged on the server yet so I am not sure what errors they got and how it really looks. My first thought was to simply shut firewalling down, since they do not need it. I will probably check it today and will let you know if I figure out what was the issue. Cheers, Zoran ----- Original Message ---- From: Thomas W Shinder <tshinder@xxxxxxxxxxx> To: isapros@xxxxxxxxxxxxx Sent: Monday, 25 February, 2008 2:43:17 PM Subject: [isapros] Re: ISA 2004 issue - cache only/single homed The ISA firewall is NOT supported on a DC, so it’s a moot question. From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On Behalf Of Zoran Marjanovic Sent: Sunday, February 24, 2008 8:33 PM To: isapros@xxxxxxxxxxxxx Subject: [isapros] ISA 2004 issue - cache only/single homed Hi guys, It is a "multi-practic" server :), Win 2003 SP1, DC, ISA, file server... huh, with only 1 NIC. Could you please confirm that Lockdown mode in ISA 2004 cannot be disabled? (I think I saw it somewhere but cannot find it now) Also, is it possible to install ISA without its firewall service because all I need is caching? Thanks a bunch! Zoran Get the name you always wanted with the new y7mail email address. Get the name you always wanted with the new y7mail email address. www.yahoo7.com.au/y7mail