The IT Department already has been testing Windows Server 2012 R2, and some time ago purchased licenses to convert all of its Windows Server 2008 Enterprise Edition servers to Windows Server 2012 R2 Enterprise Edition. Two of the servers are running the Server Core installation of Windows Server 2008. Two other servers are running the 32-bit edition of Windows Server 2008. Management wants all servers to run the Server with a GUI installation. a. Explain the general process the IT department must follow to convert to Windows Server 2012 R2. Include any caveats or problems they might encounter.