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Microsoft Exchange 2010 PowerShell Cookbook by Mike Pfeiffer

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Detecting and fixing corrupt mailboxes

For years, Exchange administrators have used the Information Store Integrity Checker, more commonly known as the ISInteg utility, to detect and repair mailbox database corruption. You may have used ISInteg in previous versions of Exchange to correct a corruption issue preventing a user from opening their mailbox or from opening a particular message. Unfortunately, in order to repair a mailbox with ISInteg, you had to dismount the database hosting the mailbox, taking it offline for everyone else that had a mailbox homed on that database. Obviously, taking an entire mailbox database down for maintenance when it is only affecting one user is less than ideal. Exchange 2010 SP1 alleviates this pain point by ...

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