Identifying the .NET version you are running (2.0, 4.5, 4.5.1 or 4.5.2)

  .NET 2.0 to 3.5 These version shares the same runtime and the version starts with 2.0.50727 followed by the build number. The file that will tell us the version being used is mscorwks.dll. You may choose other files as well, but this one will be present both in the file system if you want…

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Finally a Federation STS sample using ASP.NET Forms Authentication!

  I have recently worked on an advisory case on which the customer was looking for a STS sample using ASP.NET Forms authentication as base to provide the claims. The Internet may be vast, but it is like a desert when it comes to a single sample of a STS leveraging forms authentication. Before continuing,…

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Verifying current calls and sessions during runtime

  One of the WCF strengths is the flexibility to allow different configuration combinations. One of the WCF weakness is this configuration flexibility that may lead to a final results different from the expected. Some of the problems we see with our customers are related to actual configuration versus expected configuration. Let me give a…

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How to get a SAML Protocol Response from ADFS using C#

ADFS (Active Directory Federation Services) is a fancy name for Windows Identity Foundation Server. ADFS supports SAML protocol, however its client, Windows Identity Foundation (WIF), does not. As most of the problems of acquiring a token can be resolved with either WS-Federation and WS-Trust, you may use WIF for your federation needs since WIF supports…

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Verifying whether the broken piece is c2WTS or Active Directory

  If you have tried my tool to troubleshoot c2WTS with SharePoint, c2WTSTester, verified that the service is running as expected, the account used by SharePoint is valid in c2WTS but you still failed to receive a valid token for some error that does not make much sense, fear no more. It may be that…

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