OK keep this on the one list. When did this start happening, after a reboot?, after applying the security policy? Have you tested the dns servers?? both themselves and against other servers in the dns server properties?? s ________________________________ From: Ara [mailto:ara@xxxxxxxxxx] Sent: Saturday, February 05, 2005 11:22 PM To: ISA Mailing List Subject: [isalist] RE: event 4004 and dns http://www.ISAserver.org Yes they are both global catalog and also can see each other. I can't even logging to exchange as it takes forever saying applying computer settings. Using remote management tool I can see that system attendant service is trying to start with no luck and also information store System attendant Exchange 2003 ent and server 2003 , domain policy is highsecdc and also I have raised the level to 2003 only