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HTTP Error 401.2 – Unauthorized

October 4, 2016

When trying to debug the web application in IIS Express on the development machine, we received the following error from IIS:

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Our application was designed to use Windows Authentication. As the help article indicated at the bottom of the page advises, we opened IIS and needed to adjust Windows Authentication settings:

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It turns out, that there was no Windows Authentication section.

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To fix this open Control Panel -> Programs and Features -> Turn Windows Features on or off. Select “Windows Authentication” from the following category:

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This same problem would apply to other Authentication types in IIS.

 

 

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From → IIS

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