Reserver ip address on a dhcp client win server 2003

You may want to reserve the same IP address on a computer on a LAN using win server 2003 dhcp server.
1. Start
2. Manage your server
3. Manage this Dhcp server
4. Adress leases
5. Enter Mac address of the computer and the desired  Ip address
6. to get the mac address of a computer
   a) windows key + r
   b) enter "cmd"
   c) enter "ipconfig /all"
   d) should have the mac address of the network interface card you want to have a reserved ip address