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A Hotfix is a product update package with one or more updated product files that fix a specific product problem.


Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.

Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at

Issue Description

FIX: The value of the "WsdlContractConversionContext.WsdlPortType" property is null in the .NET Framework 3.0 Service Pack 1

In the Microsoft .NET Framework 3.0 Service Pack 1, you use the IWsdlExportExtension interface to read or to override the Web Services Description Language (WSDL) generation. When you take this action, the value of the WsdlContractConversionContext.WsdlPortType property is null.

This problem occurs because of a code issue in the .NET Framework 3.0 Service Pack 1.

OS/Platform: Windows Server 2003 SP1 x86 and x64

Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at

Additional Hotfixes
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at*
Last edited Nov 26 2008 at 2:43 AM  by DDHotfix, version 9
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