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Home > Misc > You must use the Role Management Tool to install .Net Framework Exception

You must use the Role Management Tool to install .Net Framework Exception

Hi,

Today I got below error screen when I try to install .Net 3.5 Framework SP1 on my WIN 2008 R2 server .

Dotnet framework installation failed

Dotnet framework installation failed

 

Reason :-

  • Windows 2008 R2 natively ships with the .NET 3.5 SP1 framework.
  • So, it wont allow us to run the .Net 3.5 framework setup file.

Workaround :-

  • As Windows 2008 R2 ships with the .NET 3.5 SP1, We just need to enable the feature from “Server Manager“.

Steps to enable feature on Server Manager :-

  • Click on “Start” button and type keyword “Server”
  • Double click on “Server Manager” link
Opening Server Manager

Opening Server Manager

  • On the “Server Manager” window, Choose “Features -> Add Features”
Choose features on Server Manager

Choose features on Server Manager

  • Check the “Dotnet Frameowrk 3.5.1 Features” check box
Check the Dotnet Frameowrk 3.5.1 Features

Check the Dotnet Frameowrk 3.5.1 Features

  • Restart the server

Hope it helps 🙂

 

 

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  1. Tom Turkington
    October 17, 2012 at 3:57 AM

    I encountered this “error” about two thirds of the way through a vs2008 express install, then the vs2008 install failed. Why in the world couldn’t the vs2008 install have enough since to figure this out before hand; instead MS wastes 45 minutes of my life again.

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