FIX: Error message when you run a query that uses the CASE function in SQL Server 2005: "Conversion failed when converting the <DateType> value '<Value>' to data type <DataType>"

Article ID: 969466 - View products that this article applies to.
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.
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SYMPTOMS

In Microsoft SQL Server 2005, when you run a query that uses the CASE function, you may receive an incorrect result, or you may receive the following error message:
Msg 245, Level 16, State 1, Line 1
Conversion failed when converting the DateType value 'Value' to data typeDataType.
Note This issue does not occur in SQL Server versions that are earlier than SQL Server 2000 build 2148.
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RESOLUTION

The fix for this issue was first released in Cumulative Update 3 for SQL Server 2005 Service Pack 3. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
967909
(http://support.microsoft.com/kb/967909/LN/ )
Cumulative update package 3 for SQL Server 2005 Service Pack 3
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 2005 fix release. Microsoft recommends 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:
960598
(http://support.microsoft.com/kb/960598/LN/ )
The SQL Server 2005 builds that were released after SQL Server 2005 Service Pack 3 was released
Microsoft SQL Server 2005 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2005 Service Pack 3 hotfix to an installation of SQL Server 2005 Service Pack 3. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.
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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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MORE INFORMATION

For more information about what files are changed, and for information about any prerequisites to apply the cumulative update package that contains the hotfix that is described in this Microsoft Knowledge Base article, click the following article number to view the article in the Microsoft Knowledge Base:
967909
(http://support.microsoft.com/kb/967909/LN/ )
Cumulative update package 3 for SQL Server 2005 Service Pack 3
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REFERENCES

For more information about the list of builds that are available after SQL Server 2005 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:
960598
(http://support.microsoft.com/kb/960598/ )
The SQL Server 2005 builds that were released after SQL Server 2005 Service Pack 3 was released
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 how to obtain SQL Server 2005 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:
913089
(http://support.microsoft.com/kb/913089/ )
How to obtain the latest service pack for SQL Server 2005
For more information about the new features in SQL Server 2005 SP3 and about the improvements in SQL Server 2005 SP3, visit the following Microsoft Web site:
http://go.microsoft.com/fwlink/?LinkId=131442
(http://go.microsoft.com/fwlink/?LinkId=131442)
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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Properties

Article ID: 969466 - Last Review: April 20, 2009 - Revision: 1.0
APPLIES TO
  • Microsoft SQL Server 2005 Standard Edition
  • Microsoft SQL Server 2005 Developer Edition
  • Microsoft SQL Server 2005 Enterprise Edition
  • Microsoft SQL Server 2005 Standard X64 Edition
  • Microsoft SQL Server 2005 Standard Edition for Itanium-based Systems
  • Microsoft SQL Server 2005 Enterprise X64 Edition
  • Microsoft SQL Server 2005 Enterprise Edition for Itanium-based Systems
  • Microsoft SQL Server 2005 Workgroup Edition
Keywords: 
kbsurveynew kbfix kbqfe kbexpertiseadvanced KB969466
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