Windows Identity Foundation 4.0 SDK

I ran into a problem with trying to run the latest samples of the WIF.  I'm building a cool LiveID example with SharePoint 2010.  The examples wouldn't run because ASP.NET 4.0 was not installed. 

HTTP Error 500.21 – Internal Server Error
Handler "PageHandlerFactory-Integrated" has a bad module
"ManagedPipelineHandler" in its module list

Similar to the old days, you have to run the aspnet_regiis -i command from the C:WindowsMicrosoft.NETFramework64v4.0.30319 directory


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