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How to install the .Net Framework Full package on Windows 8 or Windows Server 2012?

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Question
Trying to install QNE Optimum, License Service and SQL Server 2008R2 by using the Optimum's setup.exe on Windows 8 or Windows Server 2012. The installation stopped in the middle of the process and the following error message appeared - Microsoft .NET Framework 4 is already part of this operating system and Same or higher version of .NET Framework 4 has already been installed on this computer. How to enable the .Net Framework 3.5 and .Net Framework 4.5 on Windows 8 and Windows Server 2012?

Answer

The .NET Framework 3.5 (includes .Net 2.0 SP2, .Net 3.0 SP2 and .Net 3.5 SP1) is optional and is also built into the operating system.

Following these steps to enable the .Net Framework 3.5 and .Net Framework 4.5 on Windows 8 and Windows Server 2012.

On Windows 8:

1. Press Windows Key + X.
2. Select Programs and Features. 
3. Click Turn Windows Features on or off.

OR

1. Press Windows Key + R, to get the Run command.
2. Type “OptionalFeatures.exe” and press enter.

The following dialog box should appear.

Windows Features



Check all the .Net 3.5 and .Net 4.5 related check boxes and click OK.
The computer need to be restarted after the setup is over.



On Windows Server 2012:

1. Press Windows Key + X.
2. Select Programs and Features. 
3. Click Turn Windows Features on or off.

OR

1. Press Windows Key + R, to get the Run command.
2. Type “ServerManager” and press enter.

Follow the steps to all Roles and Features and it would reach the following dialog box.

Add Roles and Features Wizard


Check all the .Net 3.5 and .Net 4.5 related check boxes and click OK. 

 

For additional information on this topic, please refer to the following web pages.

http://support.microsoft.com/kb/2765375


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Article Details
Views: 4249 Created on: Dec 17, 2014
Date updated: Dec 17, 2014
Posted in: Installation
Tagged: Installation


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