+ 0 Votes Check the services. bart777 6 years ago I've seen a couple of occasions when SP2 turned on the firewall service. Quite a PITA. I'm assuming that the server seems to be behaving normally in other respects. If not then you might want to back out the SP. + 0 Votes SP2 can turn on the Windows Firewall on you RTHJr 6 years ago Yes, I had just run into the very issue last night and did not realize the firewall was up. In troubleshooting I was getting a lot of domain does not exist from various support utilities.