Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007
Topic Last Modified: 2006-08-18

The Exchange Server Database Utilities (Eseutil.exe) tool in Microsoft Exchange Server 2007 includes a /K switch that you can use to verify the page-level integrity of Exchange databases. The /K switch can be used to detect file header damage. File header damage may occur in databases, log files, or checkpoint files. In addition, you can use the Eseutil /K command to verify the checksum integrity of the transaction log stream when all the databases in the storage group are dismounted.

For more information about procedures and syntax for running Eseutil in checksum mode, see How to Run Eseutil /K (Checksum).

With the inclusion of Extensible Storage Engine (ESE) file features, Eseutil can checksum log files and checkpoint files. Checksum mode doesn't allow you to checksum individual pages in the database. However, you can use the page dump mode to determine whether the checksum on any given page is correct.

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