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  • Daniel 29 posts 142 karma points
    Sep 27, 2017 @ 19:10
    Daniel
    0

    Error 500.19 - Error Code 0x80070021 after new Windows 10 installation - with solution

    I am writing this issue, and it's resolution, to avoid anyone the similar trouble I went through to solve it.

    I had a running website, that I was developing on a PC running Windows 10. I had to re-install Windows 10, and this is when the problem occurred:

    On my existing project, I had the error (on IE11)

    Can’t reach this page
    •Make sure the web address http://nyg.debug2 is correct etc

    So no tangible pointer to start with.
    So I created a new project, and it run fine with IIS Express.
    When trying to run it with IIS, I got the error:

    HTTP Error 500.19 - Internal Server Error
    Error Code 0x80070021

    This was an indication that ASP.NET 4.5 was not installed.
    And as we need ASP.NET 4.5 to run Umbraco (as I learned), you have to install it.

    For more info on how to install ASP.NET on Windows 10, I refer to http://www.jammer.biz/enable-asp-net-on-windows-10/

    Basically what you need to do is; 1) Open PowerShell as Administrator 2) Run

    dism /online /enable-feature /all /featurename:IIS-ASPNET45
    

    Then both my Umbraco sites (my existing and my new one) where up and running.

  • Daniel 29 posts 142 karma points
    21 days ago
    Daniel
    0

    Solution included in above post

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