How to install .NET Framework on Windows Server 2012

Introduction

In some cases, not all versions of .NET Framework are install during the setup of Windows Server 2012; this will prevent the installation of SQL Server.

When trying to install .NET manually, the following message displays:

 

 

To  resolve this use the Server Manager to add features to the .NET Framework installation.

  1. In Server Manager, select Local Server in the left-hand pane. Using the scroll bar, scroll down until ROLES AND FEATURES display.  

  1. Highlight .NET Framework 4.5 and from the TASKS drop-down list on the right, select Add Roles and Features.

  1. Read through the ‘Before you begin’ screen and when ready click Next.

  2. On the next screen, select the Role-based or feature-based installation option and click Next.

  1. From the next screen select the Select a server from the server pool option. Select the server from the list and click Next.

  1. From the Server Roles screen choose any extra roles to install. For the purpose of installing .NET 3.5, select Features in the left-hand pane.

  2. A list of features displays. Select .NET Framework 3.5 Features and click Next.  

  1. The confirmation page displays. Click Next and when ready, click Install.


The installation screen displays showing the progress.

  1. Click Close. With .NET fully installed start the installation of SQL Server.