![Windows Server 2012 R2 Troubleshooting: .NET Framework 3.5 installation failure (Offline/Online/GPO) - TechNet Articles - United States (English) - TechNet Wiki Windows Server 2012 R2 Troubleshooting: .NET Framework 3.5 installation failure (Offline/Online/GPO) - TechNet Articles - United States (English) - TechNet Wiki](https://gallery.technet.microsoft.com/site/view/file/182768/1/install%20.Net%20Framework3.5%20Features%20on%20windows%20server%202012.png)
Windows Server 2012 R2 Troubleshooting: .NET Framework 3.5 installation failure (Offline/Online/GPO) - TechNet Articles - United States (English) - TechNet Wiki
Attempting to Install .NET Framework 3.5 on Windows Server 2012 R2 Fails with Error Code 0x800F0906 or "the source ... - Microsoft Community Hub
![Actually, when trying to install .NET Framework 3.5 in Windows Server 2012 R2 with the standard settings, the following error message appears Actually, when trying to install .NET Framework 3.5 in Windows Server 2012 R2 with the standard settings, the following error message appears](http://woshub.com/wp-content/uploads/2014/08/win2012r2-sxs-sources.jpg)
Actually, when trying to install .NET Framework 3.5 in Windows Server 2012 R2 with the standard settings, the following error message appears
![How to install .NET Framework 3.5 on Windows Server 2012 and Windows Server 2012 R2 - Jack Stromberg How to install .NET Framework 3.5 on Windows Server 2012 and Windows Server 2012 R2 - Jack Stromberg](http://jackstromberg.com/wp-content/uploads/2014/08/NET-Framework-3-5-Do-you-need-to-specify-an-alternate-source-path.png)