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Creating a Workflow Service in Approximately 60 Seconds

3 minutes, 1 second


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Got VS 2008 Beta 2?  In this screencast, we walk through the new project templates to rapidly create a WCF service that is implemented in WF using the Send and Receive activities in .NET 3.5.  This is one of the biggest asks we have had from customers, and in this short 3 minutes of your life, you will see how to create them, and see how the tools can make your life easier.


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  • Thanks for the quick walkthrough. My installation won't get past the svcutil step. It generates the error:

    Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'svcutil, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. Strong name validation failed. (Exception from HRESULT: 0x8013141A)
    File name: 'svcutil, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' ---> System.Security.SecurityException: Strong name validation failed. (Exception from HRESULT: 0x8013141A)
    The Zone of the assembly that failed was:

    Any ideas?

  • The issue I guess is with regards to svcutil.exe not being signed. To correct:

    At the Visual Studio 2008 command window prompt

    Get to the folder where svcutil.exe is (e.g C:\Program Files\Microsoft SDKs\Windows\v6.0a\bin\)

    Issue the command: sn -Vr svcutil.exe

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