Microsoft KB Archive/262439

= XADM: Exchange Databases Rebuild Indexes More Than Once After Windows NT Upgrade =

Article ID: 262439

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q262439



SYMPTOMS
After an upgrade of Microsoft Windows NT, the Exchange Server database indexes rebuild themselves more than once.



CAUSE
The rebuilding of the database indexes (or &quot;re-indexing&quot;) should only happen once for each operating system upgrade. However, there are instances in which the indexing occurs more than once. For example, if the databases are not shut down gracefully, the re-index event is never flushed to disk; the next time the services start (such as during a reboot), the database indexes are rebuilt.



WORKAROUND
Shut down all Exchange Server services and restart them. If the databases re-index themselves, cycle the services again. If the re-indexing occurs again, contact Microsoft Product Support Services.



MORE INFORMATION
The Extensible Storage Engine (ESE) database determines whether the database needs to be indexed by checking the current operating system (OS) version contained in the database header. If the OS version is different than the current version, ESE indexes the database. This can be retrieved by running ESEUTIL /MH .

Results will be similar to the following:

OS Version: (4.0.1381 SP 5)

If the current version of Windows NT is Service Pack 5 (SP5), an index should not be required.

For additional information about re-indexing, click the article number below to view the article in the Microsoft Knowledge Base:

215297 XADM: Windows NT Version Change May Cause Exchange DB Indexes to be Rebuilt

Keywords: kbprb KB262439

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