Always check the ISA server logs to find out what was happening or what happened before the incident occurred. The logs should at least give you a clue as to what is going on at the time. Tee MCSE 2003 Security On Wed, Mar 12, 2008 at 1:07 PM, Fereydoon Tahmooressi < fereydoon@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > I have a ISA2004 that recently 2-3 times daily it goes off line, users can > not access the Internet. I either have to wait 3-5 minutes for the system > to comes back up or go to the Microsoft Firewall services and Stop / Start > it. Is there any reason for it. This has happened before but it correct > itself. Now it is happening more often. I have all the updates for 2003 > server and ISA installed. > > thanks > > >