Microsoft KB Archive/308778

= FIX: CHECKDB Causes an Access Violation to Occur When TEXTPTR Is Concurrently Set to Null =

Article ID: 308778

Article Last Modified on 10/17/2003

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APPLIES TO


 * Microsoft SQL Server 2000 Standard Edition

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This article was previously published under Q308778



BUG #: 354516 (SHILOH_BUGS)



SYMPTOMS
The DBCC CHECKDB command may cause an access violation (AV) to occur when you delete a text column with more than one page (8 KB) of text data while DBCC CHECKDB simultaneously checks the text column of that table.



CAUSE
DBCC CHECKDB does not correctly handle all conditions where SQL Server concurrently updates a TEXTPTR to null (which is what occurs when you delete text in a column).



RESOLUTION
To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 INF: How to Obtain the Latest SQL Server 2000 Service Pack



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

Additional query words: CheckTables TextProcessText

Keywords: kbbug kbfix KB308778

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