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→Installing the DHCP Server Role
The next page allows initial DHCP scopes to be configured. A DHCP scope defines one or more ranges of IP addresses from which an IP address may assigned to a client and the duration of of the IP address lease (6 days for wired clients and 8 hours for wireless clients). This may either be configured now, or at a later point in the configuration process. The topic of defining DHCP scopes is covered in the ''Defining DHCP Scopes'' section of this chapter.
With the initial DHCP IPv4 configuration steps completed, the wizard subsequently moves on the the IPv6 settings. This is where a little background information is useful. Windows Server 2008 supports two modes of IPv6 DHCP operation, known as ''stateless'' and ''stateful''. In ''stateful'' mode, clients obtain both an IP address and other information (such as DNS addresses) though the DHCPv6 server. In ''stateless'' mode, the clients receive only the non-IP address information from the DHCPv6 server. In this case, the IP address must be provided using some other mechanism, either by configuring of static IP addresses or through the implementation of IPv6 auto-configuration.
On the ''Configure DHCPv6 Stateless Mode'' screen, select either stateful or stateless mode in accordance with your specific enterprise requirements. If ''stateless'' mode is selected the next screen will prompt for the IPv6 DNS information to be provided to clients. Enter the information and click on ''Next''. If the DHCP is part of an Active Directory domain, the ''Authorize DHCP Server'' page will appear. Enter the credentials (either your own as shown, or alternate credentials via the ''Alternate Credentials'' button) necessary to authorize the new DHCP server. Alternatively, the authorization may be performed later by skipping this step by clicking on ''Next''.
Upon completion of the DHCP server configuration the summary screen will displayed similar to the one illustrated below:
[[Image:windows_server_2008_dhcp_server_configuration_summary.jpg|The DHCP Server Configuration Summary Screen]]
