This step-by-step article describes how to install and
configure a new Windows Server 2003-based Domain Name Services (DNS) computer
in an existing DNS server environment with Active Directory enabled. The new
Windows Server 2003-based DNS server provides local name resolution services
for Windows clients and servers, while working effectively with the existing
DNS server environment.
To Add a Windows Server 2003-based DNS Server to Your Existing Environment
To create a new Windows Server 2003-based DNS server, you must
install Windows Server 2003 on a server that is attached to your network.
Because DNS is not installed by default during installation of Windows Server
2003, you have to install DNS on the server. You can install the Windows Server
2003-based DNS service either during the installation of Windows Server 2003 or
after the initial installation.
To Install the Windows Server 2003-based DNS Service on an Existing Windows Server 2003 Computer
- Click Start, point to Settings, and then click Control Panel.
- Double-click Add or Remove Programs and
then click Add/Remove Windows Components.
- In the Windows Component Wizard, click Networking Services in the Components list, and then click Details.
- In the Networking Services dialog box, click to select the Domain Name System (DNS) check box if it is not already selected, and then click OK.
- In the Windows Components Wizard, click Next to start Windows Server 2003 Setup. Insert the Windows Server
2003 CD-ROM into your computer's CD-ROM or DVD-ROM drive if you are prompted to
Setup copies DNS and the tool files to your
- When the installation is complete, click Finish.
To Integrate Windows Server 2003 DNS into Your Existing DNS Domain
If your existing environment already has a DNS domain and an
existing DNS infrastructure, and Active Directory is enabled, you can delegate
a subdomain of your existing DNS domain to the Windows Server 2003 domain. The
Windows Server 2003 DNS server must already be installed to complete the
To Create a Delegated Subdomain for Your Windows Server 2003-based DNS Domain
With an existing DNS domain, you can delegate a subdomain from
the existing DNS server to the Windows Server 2003-based DNS server. For
example, if your domain name is mycompany.com, you can create a subdomain with
the name windowsNET.mycompany.com. The Windows Server 2003-based DNS server has
authority over that subdomain.
To create the subdomain, configure the
DNS server to use one of the organization's main DNS servers as a forwarder. A
forwarder provides recursive lookups for any queries that the DNS server
receives that it cannot answer based on its local zones. After you set up the
forwarder, the Windows Server 2003 DNS server is responsible for resolving any
queries for computers or resources that are contained in its own local domain.
However, any queries beyond this range are forwarded directly to the
organization's main DNS servers for resolution.NOTE
: The process described in this article is from the perspective of
the Windows Server 2003 DNS server. You must also set up a delegation record on
the main DNS server that hosts the parent DNS namespace. This delegation record
permits the main DNS server to pass records for the Windows Server 2003-based
DNS namespace down to the Windows Server 2003-based DNS server. For help with
doing this, see your DNS server's Help files about performing namespace
To Add the Organization's Main DNS Servers to the List of Forwarders on the Windows Server 2003 Computer
- Click Start, point to Programs, click Administrative Tools, and then click DNS to open the DNS Management Console.
- Right-click the DNS Server object for your server, and then
- Click the Forwarders tab, type the IP address of the DNS server to which you want to
forward non-local queries, and then click Add.
- Continue adding the IP addresses of any additional DNS
servers to be used as forwarders until you have added all
- Click OK to save the settings and return to the DNS Management
Options to Configure Root Hints or Forwarders Are Unavailable
If no DNS servers were detected during the initial configuration
of Windows Server 2003 DNS, the system typically designates the new DNS server
as a root server
, which is the ultimate authority for all naming resolution
activities. As a result, the new DNS server cannot forward any name resolution
queries that it cannot resolve to another server or to the root servers on the
Internet. Therefore, a Windows Server 2003 DNS server that has been configured
as a root server disables the options to add forwarders
If, at a later date, you decide that you want to
integrate this DNS server into a larger DNS environment (such as the Internet),
you will have to remove the root
forward lookup zone.
To remove the root forward lookup
- Click Start, point to Programs, point to Administrative Tools, and then click DNS to open the DNS Management Console.
- Expand the DNS Server object for your server in the left
pane of the console.
- Expand Forward Lookup Zones.
- Click the zone that is marked with a (.) period , and then
- Click OK to confirm that you want to delete the zone.
Article ID: 323418 - Last Review: December 3, 2007 - Revision: 8.4
- Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
- Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
- Microsoft Windows Server 2003, Standard Edition (32-bit x86)
- Microsoft Windows Server 2003, 64-Bit Datacenter Edition
- Microsoft Windows Server 2003, Enterprise x64 Edition
- Microsoft Windows Small Business Server 2003 Standard Edition
- Microsoft Windows Small Business Server 2003 Premium Edition
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