ok I got a complicate done. I had a engineer onsite at a customer they had a current novell environment that ran DNS then a 2008 domain running dns as a secondary.l each comouter had ms as the primary dns and novell as secondary dns. Everything was working fine a engineer came in and installed a new 2008 server and exchange 2007 on that box I believe he made it a global catalog. he started having issues and tried to dcpromo to rmeove and it would not work. so he forced removed it form the domain. Now users are having random issues. I will first start with a health check and look through event logs and other ideas places to start. Thanks guys
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