How to determine if .NET Framework 3.5 SP1 is installed

1. Click [Start] in the bottom-left corner of the display. 
2. Highlight Administrative Tools and select Server Manager. 
3. In the Server Manager interface, click [Features] to show all the installed features in the right pane. Verify that .NET Framework 3.5.1 is listed.

1. In the Server Manager interface, select Add Features to view a list of possible features. 
2. In the Select Features interface, expand .NET Framework 3.5.1 Features. 
3. You will see two check boxes. Select the box next to .NET Framework 3.5.1 and click [Next].
   Note: If you do not expand .NET Framework 3.5.1 Features and check it, you see the Add Features Wizard. Click [Cancel] and repeat the above steps as described.
4. In the Confirm Installation Selections interface, review the selections and then click [Install]. 
5. Allow the installation process to complete and then click [Close].

1. Click [Start] in the lower-left corner of the display. 
2. Highlight All Programs and select Accessories. 
3. Expand Windows PowerShell and right-click Windows PowerShell, then select Run as administrator. Click Yes on the User Account control box. 
4. At the PowerShell command prompt, type the following commands, and then press ENTER after each command: 

• 
  
  • Import-Module ServerManager 
  • Add-Windows Feature as-net-framework

Applies To