Article ID: 2428397 - Last Review: October 18, 2010 - Revision: 1.0

FIX: "Type mismatch" error message occurs when you try to delete an embedded PowerPivot database from an instance of SQL Server 2008 R2 Analysis Services that is installed in the SharePoint Integration mode

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Microsoft distributes Microsoft SQL Server 2008 R2 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 2008 R2 fix release.

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SYMPTOMS

Consider the following scenario:
  • You install Microsoft SQL Server 2008 R2 PowerPivot for SharePoint in a Microsoft SharePoint farm. Microsoft SQL Server 2008 R2 Analysis Services (SSAS) is installed in the SharePoint Integration mode.
  • You deploy a PowerPivot service application in the farm.
  • You upload a PowerPivot workbook that contains an embedded Microsoft SQL Server 2008 R2 Analysis Services (SSAS) database to the SharePoint farm.
  • You load the PowerPivot workbook on the SharePoint site. This action loads the embedded database of the workbook to a PowerPivot SSAS instance.
  • You connect to the PowerPivot SSAS instance by using SQL Server Management Studio (SSMS).
In this scenario, you receive an error message that resembles the following when you try to delete the embedded database:
The following system error occurred: Type mismatch.
PowerPivot database error: Cannot convert value '<Value>' of type string to type integer.
(Microsoft.AnalysisServices)

Note When this issue occurs, the same PowerPivot workbook has multiple databases on the SSAS server. Therefore, the performance of the SSAS server may decrease.
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RESOLUTION

Cumulative update information

SQL Server 2008 R2

The fix for this issue was first released in Cumulative Update 4. For more information about how to obtain this cumulative update package for SQL Server 2008 R2, click the following article number to view the article in the Microsoft Knowledge Base:
2345451  (http://support.microsoft.com/kb/2345451/ ) Cumulative Update package 4 for SQL Server 2008 R2
Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
981356  (http://support.microsoft.com/kb/981356/ ) The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was released

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STATUS

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

For more information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
935897  (http://support.microsoft.com/kb/935897/ ) An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems
For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
822499  (http://support.microsoft.com/kb/822499/ ) New naming schema for Microsoft SQL Server software update packages
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
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APPLIES TO
  • Microsoft SQL Server 2008 R2 Analysis Services
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Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseadvanced KB2428397
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