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SOLVED: Cannot Install .NET 3.5 On Windows 10 Error 0x800F0906 and 0x800F081F

If you are running Windows 10 and need to install something old that requires .NET 2 or .NET 3.5 you will likely follow the instructions to install it from PROGRAMS AND FEATURES > TURN WINDOWS FEATURES ON OR OFF > .NET FRAMEWORK (INCLUDES .NET 2.0 and .NET 3.0) but then find you receive  errors like 0x800F0906 and 0x800F081F .  This is frustrating.  Fortunately the solution is simple IF you have a Windows 10 source disk:

You can install .NET 3.5 by bringing up a CMD window (don’t forget to right click and RUN AS ADMININISTRATOR) and then type either:

Dism /online /enable-feature /featurename:NetFx3 /All /Source:<drive>:\sources\sxs /LimitAccess

This has been a problem since Windows 8 and Microsoft really needs to fix it.  I have to do this command line install 100% of the time I need old .NET versions.

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  1. tamelinha07-18-17

    It says “The system cannot find the file specified.”. What am I supposed to do?

    • Ian Matthews
      Ian Matthews07-27-17

      Hmmm… that is the point to this post are you sure you ran the CMD prompt as an admin and the typed Dism /online /enable-feature /featurename:NetFx3 /All /Source::\sources\sxs /LimitAccess
      to ‘D’ most likely so it looks like Dism /online /enable-feature /featurename:NetFx3 /All /Source:D:\sources\sxs /LimitAccess

  2. André05-18-17

    It worked to me. Thanks a lot.

  3. suresh01-25-17

    i need a Microsoft dot net framework 3.5 . Because i can’t download and install this framework.then
    error code is: 0x800F0906. please give a solution for this issue And i can’t do windows update. i installed windows 8.1 single language

    • Ian Matthews
      Ian Matthews02-15-17

      Does the command in the post Dism /online /enable-feature /featurename:NetFx3 /All /Source::\sources\sxs /LimitAccess not work for you?

  4. Harry08-11-16

    thank you very net 3.5 installation issues with windows 10

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