Dynamic IP addressing is available only if a DHCP server is installed on the network. Using the Add Roles Wizard, you install the DHCP server as a role service, configure its initial settings, and authorize the server in Active Directory. Only authorized DHCP servers can provide dynamic IP addresses to clients.
On a server running Microsoft Windows Server 2008, you follow these steps to allow it to function as a DHCP server:
DHCP servers should be assigned a static IPv4 and IPv6 address on each subnet they will service and to which they are connected. Ensure that the server has static IPv4 and IPv6 addresses.
In Server Manager, select the Roles node in the left pane and then click Add Roles. This ...