Microsoft KB Archive/190696

= XADM: Event ID 116, Service Database Corruption =

Article ID: 190696

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q190696



SYMPTOMS
When you try to start the information store, the following Event ID appears the Windows NT event viewer application log:

  Event ID 116 Source ESE97 Type Error Category Database Page Cache

MSExchangeIS ((52) ) Synchronous read page checksum error -1018 ((1:1057816 1:3688618971) (3688618971-3688618971) (0-16815256))  occurred. Please restore the databases from a previous backup.

NOTE: For versions 4.0 and 5.0, "Source" above is "EDB".



CAUSE
The Microsoft Exchange Server computer has suffered from service database corruption as a result of the Exchange database being compressed and growing beyond 4 GB in size.



WORKAROUND
To work around this problem, decompress the database drive, if applicable, and restore from a backup.

If a good backup is not available, decompress the Priv.edb and Pub.edb files and bring the database to consistency by performing an EDButil /r /ispriv and/or /ispub for Exchange Server versions 4.0 and 5.0. For Exchange Server version 5.5, use ESEutil /r /ispriv and/or /ispub.

If the above steps are not successful, the database may need to be repaired to bring it to consistency.



MORE INFORMATION

 * Database compression is only one possible cause of -1018 errors.
 * You may encounter the -1018 errors at any time, not just at startup.
 * You may also get an asynchronous read page error with a different Event ID. Both are -1018 errors, however.

Keywords: kbprb KB190696

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