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Installing the Domain Name Service

The Windows Server 2008 implementation of DNS, which was known as the Dynamic Domain Name Service in previous versions of the Windows Server product line (DDNS was originally implemented in the Windows 2000 Server product), provides for dynamic updates, which allows network clients using the DNS service to automatically update their client resource records in the DNS database. Microsoft’s DDNS also allows for integration with the Active Directory Domain Services, which means that the DNS database is replicated among all the domain controllers within the domain (domain controllers that also serve as DNS servers). DNS is also integrated with the Windows Server 2008 implementation of DHCP; the DNS server can work with DHCP to synchronize mappings from hostname to IP address for the hosts on your network.

There is more than one way to install DNS on Windows Server 2008. You can install DNS during the installation of Active Directory Domain Services and the configuration of a domain controller for the new domain that you are creating. (This scenario is discussed in Hour 8. You can also install the DNS role on any server running Windows Server 2008 (whether that server is a domain controller or just a member server in your domain).

To add roles (such as DNS) to a server running Windows Server 2008, use the Add Roles Wizard. The Add Roles Wizard can be started from the Initial Configuration Tasks window (which opens when you boot a server running Windows Server 2008) or you can add the DNS role via the Server Manager.

By the Way

Before installing DNS on a server, you must configure the computer with static IPv4 and IPv6 addresses.

To install DNS with the Add Roles Wizard, follow these steps:

1. Start the Add Roles Wizard; in the Initial Configuration Tasks window, click Add Roles in the Customize This Server section of the window or click Add Roles in the Server Manager Details pane (when the Roles node is selected). Then click Next to bypass the initial wizard screen.

2. The first screen reminds you to configure a strong password for the administrator’s account and configure a static IP address for the server. Click Next.

3. A list of server roles appears (see Figure 15.4). Select the DNS Server role and then click Next.

Figure 15.4. Select the DNS server role.

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3. On the next screen, you are provided a basic introduction to DNS. Links are also provided for a DNS overview, planning a DNS deployment, and understanding DNS zone replication. Take advantage of the resources this screen provides as needed and then click Next to continue.

4. The next screen lists the roles, role services, and features that will be installed (related to your selections in step 2). If you select DNS Server, only the Domain Name Server role is installed. Select Install.

5. When the installation is complete, click Close. The Add Roles Wizard closes.

After the Domain Name Service role has been installed on the server, which is now a DNS server, you need to configure the DNS server with lookup zones and also potentially add resource records to the DNS database. Let’s take a look at monitoring the DNS server and creating lookup zones.

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