FIX: You receive an access violation error message on a server that is running SQL Server 2005 Analysis Services when you run a MDX query that contains a user-defined function (918753)


The information in this article applies to:

  • Microsoft SQL Server 2005 Standard Edition
  • Microsoft SQL Server 2005 Standard X64 Edition
  • SQL Server 2005 Standard Edition for Itanium-based Systems
  • Microsoft SQL Server 2005 Enterprise Edition
  • Microsoft SQL Server 2005 Enterprise X64 Edition
  • Microsoft SQL Server 2005 Enterprise Edition for Itanium Based Systems
  • Microsoft SQL Server 2005 Developer Edition
  • Microsoft SQL Server 2005 Analysis Services
Bug #: 720 (SQL Hotfix)
Bug #: 697 (SQL Hotfix)
Microsoft distributes Microsoft SQL Server 2005 fixes 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 2005 fix release.

SUMMARY

This article describes the following about this hotfix release:
  • The issues that are fixed by this hotfix package
  • The prerequisites for installing the hotfix package
  • Information about whether you must restart the computer after you install the hotfix package
  • Information about whether the hotfix package is replaced by any other hotfix package
  • Information about whether you must make any registry changes
  • The files that are contained in the hotfix package

SYMPTOMS

Consider the following scenario:
  • You run a Multidimensional Expressions (MDX) query against a SQL Server 2005 Analysis Services cube.
  • The query contains a user-defined function.
  • The user-defined function iterates over many members in a set.
In this scenario, you may experience the following symptoms:
  • You receive an access violation error message on the server that is running SQL Server 2005 Analysis Services.
  • The server that is running SQL Server 2005 Analysis Services generates one or more small stack dumps.
  • In the client application, you receive an error message that resembles the following:
    Internal error: An unexpected exception occured.

CAUSE

This problem occurs because of a thread synchronization issue inside the SQL Server 2005 Analysis Services engine.

Note This problem occurs more frequently on multiprocessor computers or hyperthreaded computers.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next SQL Server 2005 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

You must have Microsoft SQL Server 2005 Service Pack 1 (SP1) installed to apply this hotfix.

For more information about how to obtain SQL Server 2005 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:

913089 How to obtain the latest service pack for SQL Server 2005

Restart information

After you apply this hotfix, you do not have to restart the computer if the following conditions are true:
  • If Analysis Services is running as a named instance, you stop the SQL Server Browser service before you apply this hotfix.
  • You exit all Analysis Services tools and all client applications before you apply this hotfix.
  • You exit Microsoft Internet Information Services (IIS) before you apply this hotfix.

Registry information

You do not have to change the registry.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

Hotfix file information

This hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.SQL Server 2005, 32-bit versions
File nameFile versionFile sizeDateTimePlatform
Microsoft.sqlserver.sqlenum9.0.2154.0908,06417-May-200605:14Not Applicable
Ms.ss.mgdsqldumper.dll2005.90.2154.075,55217-May-200605:13Not Applicable
Msadomdx.dll9.0.2154.0502,56017-May-200605:13Not Applicable
Msmdlocal.dll9.0.2154.015,661,34417-May-200605:14Not Applicable
Msmdsrv.exe9.0.2154.014,634,27217-May-200605:14Not Applicable
Msmgdsrv.dll9.0.2154.05,948,19217-May-200605:14Not Applicable
Msmgdsrv.dll9.0.2154.05,948,19217-May-200605:14Not Applicable
Sbmsmdlocal.dll9.0.2154.015,661,34417-May-200605:14Not Applicable
SQL Server 2005, 64-bit versions
File nameFile versionFile sizeDateTimePlatform
Microsoft.sqlserver.sqlenum9.0.2154.0875,29617-May-200619:14Not Applicable
Ms.ss.mgdsqldumper.dll2005.90.2154.075,55217-May-200605:13Not Applicable
Ms.ss.mgdsqldumper.dll2005.90.2154.091,42417-May-200619:13Not Applicable
Msadomdx.dll9.0.2154.0502,56017-May-200605:13Not Applicable
Msmdlocal.dll9.0.2154.015,661,34417-May-200605:14Not Applicable
Msmdlocal.dll9.0.2154.030,224,16017-May-200619:15Not Applicable
Msmdsrv.exe9.0.2154.029,544,73617-May-200619:15Not Applicable
Msmgdsrv.dll9.0.2154.05,948,19217-May-200605:14Not Applicable
Msmgdsrv.dll9.0.2154.08,931,10417-May-200619:15Not Applicable
Msmgdsrv.dll9.0.2154.08,931,10417-May-200619:15Not Applicable
Sbmsmdlocal.dll9.0.2154.015,661,34417-May-200605:14Not Applicable

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

You may receive the following stack dump information when the problem occurs: 
ChildEBP RetAddr  
088db3c8 0133cf87 msmdsrv!MDContext::CreateAndInitHPath+0xa4
088db3e4 0135b53c msmdsrv!MDMember::BuildHPath+0x47 
088db424 0155d963 msmdsrv!MDFTuple::GetMember+0x12c
088db438 0982a1d7 msmdsrv!MDXUtils::VGetMemberFromTuple+0x23 
088db4f8 09829cb6 msmgdsrv!Microsoft::AnalysisServices::AdomdServer::MemberCollection::Enumerator::GetCurrent+0x4ff 
088db54c 09827426 msmgdsrv!Microsoft::AnalysisServices::AdomdServer::MemberCollection::Enumerator::get_Current+0x6


For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Modification Type:MajorLast Reviewed:8/29/2006
Keywords:kbBug kbfix kbtshoot kbQFE kbhotfixserver kbpubtypekc KB918753 kbAudITPRO kbAudDeveloper
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