Can I use another device to provide DHCP addressing on my network, rather than using Windows SBS 2003 R2?
Many routers are capable of providing DHCP addressing for devices on a network. You can use such a device, but a better solution is to let Windows SBS 2003 R2 provide addressing services. The server management tools make extensive use of DHCP, DNS, and Active Directory services to manage and monitor desktops and servers on your network, so it is advantageous to have all the services centrally configured and managed. If you are installing Windows SBS 2003 R2 for the first time on a network, you should turn off DHCP addressing on your other devices in order to avoid any addressing or management conflicts.