Installation of Windows Server 2003 is completed in the following phases.
File-copy mode In the initial phase, all of the distribution files for Windows Server 2003 are copied to the hard disk of the target computer.
Text mode During this phase of Setup, the computer hardware is analyzed, hard disk and partitions are configured, drivers are located, folders are created, and the base operating system is installed.
GUI mode In the final phase of Windows Setup, a GUI interface is presented that allows you to customize the configuration—this includes hardware settings, network parameters, licensing, and regional options, as well as joining the computer to a domain or workgroup and setting the administrator password. ...