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IIS - Cannot login to website in IIS using Windows authentication RRS feed

  • Question

  • Dears,

    Kindly note that I have a website deployed on IIS 8 in windows server 2012.

    When trying to access the website using the host name, the login popup appears and when entering the windows credential, I can enter to the website successfully,

    When trying to access the website using the IP address, the login popup appears and when entering the windows credential I cannot log in, and the pop appears again, trying more it returns the same behavior when canceling the popup it gives me the below error:

    HTTP Error 401.1 - Unauthorized

    Please note that the "Anonymous Authentication" is enabled using the IUSR identity, and the Windows Authentication enabled with the NTLM and Negotiate providers and the NTLM is first.

    I am trying to fix this issue by edit the registry value BackConnectionHostNames  and DisableLoopbackCheck following steps in the below article from Microsoft

    https://support.microsoft.com/en-us/help/896861/you-receive-error-401-1-when-you-browse-a-web-site-that-uses-integrate

    and still not working

    Thank you in advance


    Regards

    Thursday, August 10, 2017 7:28 AM