![Windows Server 2012 R2: PowerShell automates administration - Microsoft Server 2012 R2: the OS for the hybrid cloud Windows Server 2012 R2: PowerShell automates administration - Microsoft Server 2012 R2: the OS for the hybrid cloud](https://www.computerweekly.com/rms/computerweekly/powershell2.jpg)
Windows Server 2012 R2: PowerShell automates administration - Microsoft Server 2012 R2: the OS for the hybrid cloud
![Using PowerShell to get Graphical Shell on a Server 2012 R2 Datacenter Core Edition. | Interface Technical Training Using PowerShell to get Graphical Shell on a Server 2012 R2 Datacenter Core Edition. | Interface Technical Training](https://www.interfacett.com/wp-content/uploads/2016/01/001-Using-PowerShell-to-Full-Graphica-Shell-Windows-Server-2012-R2-Datacenter.png)
Using PowerShell to get Graphical Shell on a Server 2012 R2 Datacenter Core Edition. | Interface Technical Training
![Managing and Configuring a Server Core Installation | Installing Windows Server 2012 and Server Core | InformIT Managing and Configuring a Server Core Installation | Installing Windows Server 2012 and Server Core | InformIT](https://www.informit.com/content/images/chap3_9780672336225/elementLinks/03fig09_alt.jpg)
Managing and Configuring a Server Core Installation | Installing Windows Server 2012 and Server Core | InformIT
![CONVERTING FROM SERVER 2012 CORE INSTALL TO FULL GUI | vGeek - Tales from real IT system Administration environment CONVERTING FROM SERVER 2012 CORE INSTALL TO FULL GUI | vGeek - Tales from real IT system Administration environment](http://vcloud-lab.com/files/resized/531398/921;283;38d47cbd6334fd9987fa9584e0286caebb3411ee.png)
CONVERTING FROM SERVER 2012 CORE INSTALL TO FULL GUI | vGeek - Tales from real IT system Administration environment
Actually, when trying to install .NET Framework 3.5 in Windows Server 2012 R2 with the standard settings, the following error message appears
![CONVERTING FROM SERVER 2012 CORE INSTALL TO FULL GUI | vGeek - Tales from real IT system Administration environment CONVERTING FROM SERVER 2012 CORE INSTALL TO FULL GUI | vGeek - Tales from real IT system Administration environment](http://vcloud-lab.com/files/images/6-convert-Micrsoft-Windows-server-2012-r2-core-windows-server-2016-core-Server-Manager-add-roles-and-features-start-powershell-get-windowsimage-install-windowsfeature-source-wim-switch-from-windows-core-to-gui.png)