Microsoft KB Archive/179924

= FIX: Msg 1203 If Attentions During Maintenance to Nonclustered Index =

Article ID: 179924

Article Last Modified on 3/14/2006

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APPLIES TO


 * Microsoft SQL Server 6.5 Standard Edition

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This article was previously published under Q179924



BUG #: NT: 17748 (6.5)



SYMPTOMS
If SQL Server receives an attention signal during the maintenance to a table's nonclustered index after an insert operation, message 1203 may be generated. Attention signals are caused by a query timeout expiring, or by using the dbcancel or SQLCancel functions within DB-Library or ODBC programs, respectively. The following is message 1203:

Msg 1203 Level 20 State 1

Caller of lock manager is incorrectly trying to unlock an unlocked object. spid=10 locktype=6 dbid=4 lockid=353



WORKAROUND
To work around this problem, increase the query timeout or avoid using cancel functions. Also, if there is only one index and it is a nonclustered index, you can change the index to a clustered index to avoid the problem.



STATUS
Microsoft has confirmed this to be a problem in SQL Server 6.5. This problem has been corrected in Service Pack 5a for Microsoft SQL Server 6.5.For more information, click the following article number to view the article in the Microsoft Knowledge Base:

197177 INF: How to Obtain SQL Server 6.5 Service Pack 5a

For more information, contact your primary support provider.

Additional query words: attn cancel error err

Keywords: kbbug kbfix KB179924

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