How to Install .NET Framework 3.5 in Windows Server 2008 R2 and Windows Server 2012 R2

Windows Tech How To

When you try to install .NET Framework in Windows Server 2008/R2, Windows Server 2012/R2 or even in Windows 8/8.1/10 and you get errors and cannot install it, you can try the technique of the “Alternate source file path“.

Here’s what you can try.

Click on Start -> Run and enter: gpedit.msc

The above will open Local Group Policy Editor:

How to Install .NET Framework 3.5 in Windows Server 2008 R2 and Windows Server 2012 R2 - Article on TechHowTos.com

 

Then navigate to “Administrative Templates” -> “System” and double click on the entry “Specify settings for optional component installation and component repair“:

How to Install .NET Framework 3.5 in Windows Server 2008 R2 and Windows Server 2012 R2 - Article on TechHowTos.com

 

If the above entry is disabled, you can enable it and specify below in “Options” the “Alternate source file path” which is actually the location that has .NET framework available, for example, if drive E: has the Windows media mounted (ISO, etc.) you can try specifying as “Alternate source file path” the following path: E:\sources\sxs

How to Install .NET Framework 3.5 in Windows Server 2008 R2 and Windows Server 2012 R2 - Article on TechHowTos.com

 

You then click on “Apply” and “OK” and that’s it! You can now try adding .NET Framework 3.5 from the “Turn Windows features on or off” functionality in Windows. Remember when you start this process, to select to specify the alternate source file path in order for Windows to search in that path for the required .NET Framework installation files.

After you finish the installation of .NET Framework, if you like, then you can again disable the local group policy entry “Specify settings for optional component installation and component repair”.

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Reference: TechHowTos.com (http://www.techhowtos.com)

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Administering SQL Server: eBook by Senior SQL Server Architect and Former MVP Artemakis Artemiou

 

 

 

 

 

 

 

 

 

 

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About Artemakis Artemiou 31 Articles
Artemakis Artemiou is a Senior SQL Server and Software Architect, Author, and a former Microsoft Data Platform MVP (2009-2018). He has over 15 years of experience in the IT industry in various roles. Artemakis is the founder of SQLNetHub and TechHowTos.com. Artemakis is the creator of the well-known software tools Snippets Generator and DBA Security Advisor. Also, he is the author of many eBooks on SQL Server. Artemakis currently serves as the President of the Cyprus .NET User Group (CDNUG) and the International .NET Association Country Leader for Cyprus (INETA). Artemakis's official website can be found at aartemiou.com.