Dynamic Host Configuration Protocol (DHCP) is an invaluable service when you have a network larger than a handful of computers. Itâ€@trade;s also a standard component of enterprise networks and subnetworks. Windows 2000â€@trade;s built-in DHCP server allows Windows machines (and any other TCP/IP-based machines and devices) to obtain their IP addresses and network settings automatically, which can vastly simplify network configuration. In this article, weâ€@trade;ll discuss how to install and configure a DHCP server in Windows 2000, and weâ€@trade;ll explore some of the advanced features Win2K DHCP has to offer.

You can find very good illustrated howtos here and here.