History of the windows server dates back to 1993 when for the first time Microsoft introduced Windows NT Advanced server. Later on in the year 1994 they further updated the server and released the next version of Windows NT 3.5. This version only contained few modifications to the earlier version. Microsoft began to speed up its server technology in the year 1995 when NT Server 3.51 was released. The year 1995 was very important for Microsoft because in the same year, they released their desktop version of Windows 95 which for the first time brought GUI based technology.