How to Resolve Error request for security token could not be satisfied

Recently I started development against CRM 2011. I create simple asp.net website that connects to the CRM 2011 platform using the IOrganizationService Web Service (Using AD authentications). This website allows user to enter basic details of contact for example first name, last name, email address and phone number and create contact in CRM 2011.

I design this website in Visual Studio 2010 using CRM 2011 SDK, which was working fine without any problems. As soon I tried to deploy this website in IIS, I was getting this error message.

The request for security token could not be satisfied because authentication failed.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ServiceModel.FaultException: The request for security token could not be satisfied because authentication failed.

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How to Resolve IIS HTTP Error 404.2 ISAPI and CGI Restriction list settings

Rececntly i was working on visual studio. net &  IIS and got this error message  “HTTP Error 404.2 – Not Found

The complete error message is:

HTTP Error 404.2 – Not Found

The page you are requesting cannot be served because of the ISAPI and CGI Restriction list settings on the Web server.

Most Likely Cases:

  • No handler mapping for this request was found. A feature may have to be installed.
  • The Web service extension for the requested resource is not enabled on the server.
  • The mapping for the extension points to the incorrect location.
  • The extension was misspelled in the browser or the Web server.

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