Does it crash if you run a full backup using NTbackup. Does the event log show any specific error codes or any additional info? James Chong (MVP) MCSE | M+, S+, MCTS, Security+ msexchangetips.blogspot.com ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Dave stevens Sent: Tuesday, June 05, 2007 6:21 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Exchange 2003 Event ID 9659 Hi Guys, this is a strange one, but getting pretty critical. Environment Windows 2003 Exchange 2003 Sp2 Symantec Backup Exec V10.0 we have been experiencing the following problems everytime we run full backup The Information Store just craches with the following event ids Event Id: 9659 - Source MSExchangeIS Event Id: 1000 - Source Microsoft Exchange Server. Thanks Dave ________________________________ Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge <http://us.rd.yahoo.com/evt=47093/*http:/tv.yahoo.com/collections/222> to see what's on, when.