When you install Windows Server 2012, you can choose between Server Core Installation and
Server with a GUI. The “Server with a GUI” option is the Windows Server 2012 equivalent of
the Full installation option available in Windows Server 2008 R2. The “Server Core Installation”
option reduces the space required on disk, the potential attack surface, and especially the
servicing requirements, so we recommend that you choose the Server Core installation unless
you have a particular need for the additional user interface elements and graphical management
tools that are included in the “Server with a GUI” option. For this reason, the Server Core
installation is now the default. Because you can freely switch between these options at any time
later, one approach might be to initially install the Server with a GUI option, use the graphical
tools to configure the server, and then later switch to the Server Core Installation option.
Reference: Windows Server Installation Options
Core Installation feature
Minimal Attack surface
Small foot print
Highly Reliable
Easily managed
Winrs / winrm , powershell,servermanager,rsat
Features on demand
Reduce foot print by removing payload on used items
minimal server interface
SwitchING Between installation modes
Switch From core Full to Core
Install Full Use Gui to configure
Switch configure full to core
Power shell command
Powershell
Import-Module ServerManager
Install-WindowsFeature Server-Gui-Mgmt-Infra, Server-Gui-Shell -Restart
uninstall-windowsFeature server-gui-shell
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