How To Troubleshoot if you are not able to enable and install .net framework 3.5 during install SQL Server 2008 or 2012 on Windows 8.

When you try to enable .Net framework from Windows Feature you will get following error.

Its showing error like “Windows couldn't connect to the internet to download necessary files”

  

Select checkbox and click ok

  

Click On Download and Install this Feature

 

You will get this error :-

Try to connect internet if internet connection already connected and still you are getting same error then you need to do some troubleshoot with registry file of .Net

Press win + R key from your keyboard and type regedit and press ok

GO To HKEY_LOCAL_MACHINE>>SOFTWARE>>Policies>>Microsoft>>Windows>>WindowsUpdate>>AU

Click on the AU and change value data 1 to 0 and click OK

Now restart the System and try to enable .Net Framework the same way it will work