System Attendant Does Not Start!!!! My exchange was running normal and regulary!!! Than my System Attendant stoped!!! I reboot my Exchange server and the service does Not start!!!! The service has account "LocalSystem" in Service to be start, but got that ERROR! ************************************ Event Type: Error Event Source: MSExchangeSA Event Category: General Event ID: 1005 Unexpected error The specified directory service attribute or value does not exist. Facility: Win32 ID no: 8007200a Microsoft Exchange System Attendant occurred ******************************************************** *I changed the account of service to other account! Than I got the same Error. *I reinstaled the exchange with the same changes in my AD! Than the same ERROR. If you any idea. PLEASE send me a SOLUTION!!!! Thanks Stanley