Anith Gopal

There are some known issues with using the WIF SDK on VS 2010 RC that do not exist with VS 2008. When VS 2010 is released, we expect to refresh the SDK to resolve these problems, but in the meantime, we have some simple guidance for using the SDK with VS 2010. Request Validation The difference in behavior stems from changes made to the .NET 4.0 runtime with respect to validating user input received by ASP.NET web forms.

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Using the Windows Identity Foundation SDK with Visual Studio 2010 RC