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Adding dotnet 3.5 to windows 8, 8.1, 2012 or 2012r2

Scenario: You get the following error on windows 8 while trying to add DotNet 3.5;



If you downloaded Windows 8 from Microsoft run the following line

Dism /online /enable-feature /featurename:NetFx3 /All /Source:C:ESDWindowssourcessxs /LimitAccess

If you used a DVD to install windows 8 do the following;

Dism /online /enable-feature /featurename:NetFx3 /All /Source:D:sourcessxs /LimitAccess

This assumes your DvD is Drive D:


You will also need to uninstall the following windows updates.

  • KB2966826
  • KB2966827
  • KB2966828

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