Microsoft KB Archive/875540

= FIX: You receive a &quot;Specified cast is not valid&quot; error message in BizTalk Server 2004 when you use a rule set in Rules Composer or you use a rule set in an orchestration =

Article ID: 875540

Article Last Modified on 5/15/2006

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APPLIES TO


 * Microsoft BizTalk Server 2004 Enterprise Edition, when used with:
 * Microsoft .NET Framework 1.1
 * Microsoft BizTalk Server 2004 Developer Edition, when used with:
 * Microsoft .NET Framework 1.1
 * Microsoft BizTalk Server 2004 Standard Edition, when used with:
 * Microsoft .NET Framework 1.1
 * Microsoft BizTalk Server 2004 Partner Edition, when used with:
 * Microsoft .NET Framework 1.1

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SYMPTOMS
In Microsoft BizTalk Server 2004, if you use a rule set in the Rules Composer, or if you use a rule set with an orchestration, you may receive the following error message

System.InvalidCastException: Specified cast is not valid.

You may receive this error message after you install the Microsoft .NET Framework 1.1 Service Pack 1 (SP1).



CAUSE
This problem occurs because a change in the .NET Framework 1.1 SP1 causes an error in the execution of certain rules.

Note The .NET Framework 1.1 SP1 is available from Microsoft Windows Update, is included on the Microsoft Windows XP Service Pack 2 (SP2) distribution CD as a separate installation, and is installed with Windows Server 2003 Service Pack 1 (SP1).



Service pack information
To resolve this problem, obtain the latest service pack for Microsoft BizTalk Server 2004. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

888751 How to obtain the latest BizTalk Server 2004 service pack

File information
The language-specific 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 tool in Control Panel. Chinese (Traditional) Date        Time   Version     Size     File name ---  03-Aug-2004  20:47  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 20:47  3.0.5324.0   36,864  Microsoft.ruleengine.resources.dll

Chinese (Simplified) Date        Time   Version     Size     File name ---  03-Aug-2004  20:44  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 20:44  3.0.5324.0   36,864  Microsoft.ruleengine.resources.dll

English Date        Time   Version     Size     File name -  03-Aug-2004  17:57  3.0.5324.0  708,608  Microsoft.ruleengine.dll

French Date        Time   Version     Size     File name ---  03-Aug-2004  18:33  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 18:33  3.0.5324.0   40,960  Microsoft.ruleengine.resources.dll German Date        Time   Version     Size     File name ---  03-Aug-2004  18:31  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 18:31  3.0.5324.0   40,960  Microsoft.ruleengine.resources.dll

Italian Date        Time   Version     Size     File name ---  03-Aug-2004  18:37  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 18:37  3.0.5324.0   40,960  Microsoft.ruleengine.resources.dll

Japanese Date        Time   Version     Size     File name ---  03-Aug-2004  18:29  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 18:29  3.0.5324.0   45,056  Microsoft.ruleengine.resources.dll

Korean Date        Time   Version     Size     File name ---  03-Aug-2004  18:35  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 18:35  3.0.5324.0   40,960  Microsoft.ruleengine.resources.dll

Spanish Date        Time   Version     Size     File name ---  03-Aug-2004  20:41  3.0.5324.0  708,608  Microsoft.ruleengine.dll 03-Aug-2004 20:44  3.0.5324.0   40,960  Microsoft.ruleengine.resources.dll Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.

The &quot;Resolution&quot; section states whether this hotfix is available as a hotfix or in the latest service pack. For comparison and testing purposes, this hotfix is available in language-specific versions. The following files are available for download from the Microsoft Download Center:

Download the English package now.

Download the Spanish package now.

Download the German package now.

Download the Korean package now.

Download the Italian package now.

Download the Chinese (Simplified) package now.

Download the Chinese (Traditional) package now.

Download the French package now.

Download the Japanese package now.

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

This problem was corrected in BizTalk Server 2004 Service Pack 1.

