SharePoint Error–Issuer of the Token is not a Trusted Issuer

While experimenting with Windows Identity Foundation and SharePoint 2010, I was attempting to configure SharePoint to use a customer Security Token Provider (STS) I had written. The STS worked perfectly with a normal Federation enabled ASP.NET web site, but I got the error “The issuer of the token is not a trusted issuer” when I…

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Windows Identity Foundation Samples–HTTP Watch Is Your Friend

Continuing my prior post on working with the WIF samples, the WIF samples that come with the SDK, or the labs in the WIF training kit are great learning experiences. To better understand better what is going on under-the-covers, or to troubleshoot problems, using HTTP Watch is a great tool to see the passive WS-Federation…

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