Extensible Storage Engine Database Becomes Corrupted During Consistency Check

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Article ID: 296981 - View products that this article applies to.
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SYMPTOMS

When an Extensible Storage Engine (ESENT) database is checking itself for consistency, database corruption may occur.

CAUSE

This issue can occur if a recovery fails during the redo phase of a ESENT database consistency check. The termination routine is not called with the proper error flag, and the database is marked as consistent even though recovery did not complete. The database can be attachable/mountable and then can become corrupted when it is used or if it is located on a drive that has low disk space.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack

STATUS

Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.

MORE INFORMATION

ESENT databases are used with various components such as Dynamic Host Control Protocol (DHCP) and Windows Internet Name Service (WINS). Subsequent attempts to run recovery on the database do not succeed because the database is marked as being consistent. Because the corruption is logical, a database that is incorrectly marked as consistent can be successfully backed up and the backup does not detect any errors.

Properties

Article ID: 296981 - Last Review: October 23, 2013 - Revision: 3.2
APPLIES TO
  • Microsoft Windows 2000 Service Pack 1
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Service Pack 1
Keywords: 
kbnosurvey kbarchive kbbug kbfix kbprogramming KB296981

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