Microsoft KB Archive/171865: Difference between revisions

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Msg 806, Level 21, State 1<br />
Msg 806, Level 21, State 1<br />
Could not find virtual page for logical page <page#&gt; in database<br />
Could not find virtual page for logical page <page#> in database<br />
'tempdb'
'tempdb'



Latest revision as of 19:48, 20 July 2020

Knowledge Base


Article ID: 171865

Article Last Modified on 10/3/2003



APPLIES TO

  • Microsoft SQL Server 6.5 Standard Edition



This article was previously published under Q171865

BUG #: 17089 (Windows NT: 6.5)

SYMPTOMS

If an UPDATE trigger fires and contains an UPDATE that joins with the inserted table, the following error may occur if SET FORCEPLAN is set ON and the sysindexes count for syslogs number of pages is high:

Msg 806, Level 21, State 1
Could not find virtual page for logical page <page#> in database
'tempdb'

WORKAROUND

To work around this problem, look for ways to avoid using SET FORCEPLAN ON with UPDATE statements including proper index design.

If you truncate the transaction log and/or run DBCC CHECKTABLE(syslogs) to update the sysindexes entries for syslogs, it is possible that the problem will not occur.

STATUS

Microsoft has confirmed this to be a problem in SQL Server version 6.5. This problem was corrected in the latest Microsoft SQL Server 6.5 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

   S E R V P A C K
                

MORE INFORMATION

The following is a summary of the conditions that cause the problem to occur:

  • SET FORCEPLAN is set ON.
  • An UPDATE statement inside an UPDATE trigger joins with the inserted table.
  • The table being updated contains at least two rows.
  • The transaction log according to sysindexes.dpages has a large number of pages used.


Keywords: kbbug kbfix kbusage kbsqlserv650bug KB171865