FIX: You may receive an 8623 error message when you try to run a complex query on an instance of SQL Server

This article has been archived. It is offered "as is" and will no longer be updated.
Bug #: 471546 (SQL Server 8.0)
Bug #: 23602 (Content Maintenance)

Microsoft SQL Server 2000 fixes are distributed as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2000 fix release.
SYMPTOMS
When you try to compile and run certain queries, the SQL Server optimizer may occasionally return the following error message:
Server: Msg 8623, Level 16, State 1, Line 1
Internal Query Processor Error: The query processor could not produce a query plan. Contact your primary support provider for more information.
Note This problem is not limited to any particular query construct, database environment, or statistics distribution. The error message is based on certain costing inconsistencies that occur when the SQL Server optimizer calculates the cost that is associated with various possible query plans for the query.
RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
290211 How to obtain the latest SQL Server 2000 service pack

Hotfix information

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name   ------------------------------------------------------------------------   03-Jun-2004  14:24  2000.80.948.0     664,128  Autoplt.dll         03-Jun-2004  14:53  2000.80.948.0      78,400  Console.exe         03-Jun-2004  15:13  2000.80.948.0     315,968  Custtask.dll        03-Jun-2004  14:26  2000.80.948.0      33,340  Dbmslpcn.dll        08-Apr-2004  09:12                    786,432  Distmdl.ldf   08-Apr-2004  09:12                  2,359,296  Distmdl.mdf   10-Oct-2003  06:18                        180  Drop_repl_hotfix.sql   03-Jun-2004  15:10  2000.80.948.0   1,905,216  Dtspkg.dll          03-Jun-2004  15:23  2000.80.948.0     528,960  Dtspump.dll         03-Jun-2004  15:27  2000.80.948.0   1,557,052  Dtsui.dll           03-Jun-2004  15:30  2000.80.948.0     639,552  Dtswiz.dll          10-Oct-2003  06:18                    747,927  Instdist.sql   10-Oct-2003  06:18                      1,581  Inst_repl_hotfix.sql   03-Jun-2004  15:40  2000.80.948.0     352,828  Isqlw.exe           03-Jun-2004  15:33  2000.80.948.0      82,492  Itwiz.exe           03-Jun-2004  14:26  2000.80.948.0      90,692  Msgprox.dll         19-May-2004  11:13  8.11.40209.0      209,408  Mssdi98.dll         03-Jun-2004  14:29  2000.80.948.0      62,024  Odsole70.dll        03-Jun-2004  15:37  2000.80.948.0      25,144  Opends60.dll        03-Jun-2004  14:29  2000.80.948.0      57,904  Osql.exe            03-Jun-2004  15:15  2000.80.948.0     279,104  Pfutil80.dll        10-Oct-2003  06:07                    550,780  Procsyst.sql   08-Apr-2004  09:12                     12,305  Qfe469315.sql   08-Apr-2004  09:12                     19,195  Qfe469571.sql   03-Jun-2004  16:27                  1,104,848  Replmerg.sql   03-Jun-2004  14:38  2000.80.948.0     221,768  Replprov.dll        03-Jun-2004  14:39  2000.80.948.0     307,784  Replrec.dll         03-Jun-2004  14:29  2000.80.948.0     159,813  Replres.rll   10-Oct-2003  06:18                  1,087,150  Replsys.sql   10-Oct-2003  06:18                    986,603  Repltran.sql   03-Jun-2004  14:43  2000.80.948.0     287,304  Rinitcom.dll        03-Jun-2004  14:26  2000.80.948.0      78,416  Sdiclnt.dll         03-Jun-2004  14:09  2000.80.948.0      66,112  Semmap.dll          03-Jun-2004  14:13  2000.80.948.0      57,916  Semnt.dll           03-Jun-2004  15:19  2000.80.948.0     492,096  Semobj.dll          03-Jun-2004  15:14  2000.80.948.0     172,032  Semobj.rll   03-Jun-2004  14:43  2000.80.948.0      53,832  Snapshot.exe        11-Mar-2004  14:40                    117,834  Sp3_serv_uni.sql   03-Jun-2004  14:14  2000.80.948.0      28,672  Sqlagent.dll        03-Jun-2004  14:18  2000.80.948.0     311,872  Sqlagent.exe        03-Jun-2004  14:40  2000.80.948.0     168,001  Sqlakw32.dll        03-Jun-2004  14:23  2000.80.948.0      33,344  Sqlctr80.dll        03-Jun-2004  15:34  2000.80.948.0   4,215,360  Sqldmo.dll          03-Jun-2004  14:45                     25,172  Sqldumper.exe       03-Jun-2004  14:19  2000.80.948.0      28,672  Sqlevn70.rll   03-Jun-2004  14:51  2000.80.948.0     180,792  Sqlmap70.dll        03-Jun-2004  15:31  2000.80.948.0     188,992  Sqlmmc.dll          03-Jun-2004  15:28  2000.80.948.0     479,232  Sqlmmc.rll   03-Jun-2004  15:19  2000.80.948.0     401,984  Sqlqry.dll          03-Jun-2004  14:46  2000.80.948.0      57,920  Sqlrepss.dll        03-Jun-2004  14:23  2000.80.948.0   7,512,640  Sqlservr.exe        03-Jun-2004  14:13  2000.80.948.0     590,396  Sqlsort.dll         03-Jun-2004  14:46  2000.80.948.0      45,644  Sqlvdi.dll          03-Jun-2004  14:47  2000.80.948.0     106,588  Sqsrvres.dll        03-Jun-2004  14:26  2000.80.948.0      33,340  Ssmslpcn.dll        03-Jun-2004  14:29  2000.80.948.0      82,492  Ssnetlib.dll        03-Jun-2004  15:01  2000.80.948.0      25,148  Ssnmpn70.dll        03-Jun-2004  14:49  2000.80.948.0     123,456  Stardds.dll         03-Jun-2004  14:50  2000.80.948.0     158,240  Svrnetcn.dll        03-Jun-2004  14:50  2000.80.948.0      76,416  Svrnetcn.exe        03-Jun-2004  14:58  2000.80.948.0      53,808  Ums.dll             03-Jun-2004  14:50  2000.80.948.0      98,872  Xpweb70.dll 
Note Because of file dependencies, the most current hotfix or the most current feature that contains the files in this table may also contain additional files.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

This problem was first corrected in Microsoft SQL Server 2000 Service Pack 4.
REFERENCES
For additional information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
818729 FIX: Internal query processor error 8623 when Microsoft SQL Server tries to compile a plan for a complex query
832412 PRB: You receive error message 8623 when you try to run a query that joins multiple tables
824684 Description of the standard terminology that is used to describe Microsoft software updates
query execution plan
Properties

Article ID: 843263 - Last Review: 01/17/2015 10:49:04 - Revision: 2.3

Microsoft SQL Server 2000 Developer Edition, Microsoft SQL Server 2000 Standard Edition, Microsoft SQL Server 2000 Enterprise Edition, Microsoft SQL Server 2000 Personal Edition, Microsoft SQL Server 2000, Workgroup Edition, Microsoft SQL Server 2000 Desktop Engine (Windows), Microsoft SQL Server 2000 Enterprise Edition 64-bit

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