Global Address Book, OAB issues with Microsoft Exchange 2010

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http://serverfault.com – Previous network admin moved everything over from exchange 03 to exchange 2010. I've noticed since that was done the global address book or offline address book doesn't pull up any of the new users that have been created since that happened. I went into Organization Configuration mailbox and tried to update the OFFLINE ADDRESS BOOK and got this error. Error: Failed to generate the content of the offline address book 'default offline adress list'. two possible reasons for the failure are that the system attendant service is not running or you do not have permission to perform this operation. (HowTos)