Your network consists of a single subnet.You have a DHCP server that runs Windows Server 2003 Service Pack 2 (SP2).All client computers run Windows XP Professional Service Pack 3 (SP3).
The network has both desktop and portable computers.All computers are DHCP clients.
You need to configure the portable computers to have a 4-hour DHCP lease and the desktop computers to have the default DHCP lease.
What should you do on the server?