This particular request came from a friend who is running Windows Server 2012 R2 Core. And he wanted to install Microsoft Exchange Server 2016 on that server. Now I have read somewhere that Exchange Server 2016 requires full GUI support for it to work, maybe from the preview documents, but i cannot recall.
Nonetheless, in order to achieve this your server must be running the full installation of Windows Server GUI components. Now run the following command to convert your existing core edition server to a full installation of Windows Server GUI:
Please be mindful, you will require to have the installation media at hand, and a DVD-ROM attached to the machine, built-in or USB, as you require.