Windows Server 2003 (sometimes referred to as Win2K3) is a server operating system produced by Microsoft, introduced on 24 April 2003. An updated version, Windows Server 2003 R2, was released to manufacturing on 6 December 2005. Its successor, Windows Server 2008, was released on 4 February 2008.
Editions
Windows Server 2003 comes in a number of editions, each targeted towards a particular
size and type of business.In general, all variants of Windows Server 2003 have the
ability to share files and printers, act as an application server, and host message
queues, provide email services, authenticate users, act as an X.509 certificate server,
provide LDAP directory services, serve streaming media, and to perform other server-