Microsoft KB Archive/301190

= HOW TO: Integrate Windows 2000 DNS with an Existing DNS Infrastructure in Windows 2000 =

PSS ID Number: 301190

Article Last Modified on 11/3/2003

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The information in this article applies to:


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q301190



IN THIS TASK

 * SUMMARY
 * ** To Add a Windows 2000 DNS Server to Your Existing Environment
 * *** To Install the Windows 2000 DNS Service on an Existing Windows 2000 Server
 * To Integrate Windows 2000 DNS into Your Existing DNS Domain
 * *** To Delegate Zones to the DNS Server by Using the Configure DNS Server Wizard
 * To Create a New Zone for the Zones on the Windows 2000 DNS Server
 * *** To Enable the New Zone for Dynamic Updates
 * Troubleshooting
 * *** Options to Configure Root Hints or Forwarders If They Are Unavailable
 * REFERENCES



SUMMARY
This step-by-step article describes how to with install and configure a new Windows 2000 Domain Name Services (DNS) server within an existing DNS server environment where Active Directory is not enabled. The new Windows 2000 DNS server provides local name resolution services for Windows 2000 clients and servers, while working effectively with the existing DNS server environment.

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To Add a Windows 2000 DNS Server to Your Existing Environment
To create a new Windows 2000 DNS Server, you must install Windows 2000 Server or Advanced Server on a server that is attached to your network. Because DNS is not installed by default during installation of Windows 2000 Server or Advanced Server, you have to install DNS on the server. You can install the Windows 2000 DNS service either during the installation of Windows 2000 Server or Advanced Server, or after the initial installation.

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To Install the Windows 2000 DNS Service on an Existing Windows 2000 Server

 * 1) Click Start, point to Settings, and then click Control Panel.
 * 2) Double-click Add/Remove Programs and then click Add/Remove Windows Components.
 * 3) In the Windows Component Wizard, click Networking Services from the Components list, and then click Details.
 * 4) 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.
 * 5) In the Windows Components Wizard, click Next to start Windows 2000 Setup. Insert the Windows 2000 Server or Advanced Server CD into the CD-ROM drive if you are prompted. Setup copies the DNS server and tool files to your computer.
 * 6) When the installation is complete, click Finish.

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To Integrate Windows 2000 DNS into Your Existing DNS Domain
If your existing environment already has a DNS domain and an existing DNS infrastructure, and Active Directory is not enabled, you can use the existing DNS domain and delegate certain zones to this server. You may want to use the existing DNS domain if, for example, the computer is running programs that require DNS lookups that your existing DNS servers are not capable of supporting, such as DNS lookups of Service (SRV) records. To complete the next step, you have to first have the Windows 2000 DNS server installed.

If the existing DNS servers in your organization are not capable of looking up SRV records (and cannot be upgraded to do so), you may wish to integrate a Windows 2000 DNS server directly into the existing DNS zone, which you can do by delegating certain zones to the Windows 2000 DNS server. Additional steps include the creation of new zones on the Windows 2000 DNS server for specific zones on the other DNS servers, and the enabling of the new zones for dynamic updates.

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To Delegate Zones to the DNS Server by Using the Configure DNS Server Wizard

 * 1) Click Start, point to Programs, click to Administrative Tools, and then click DNS to open the DNS Management Console.
 * 2) Click the DNS Server object for your server in the left pane of the console and click the (+) PLUS sign next to the server object to expand the tree.
 * 3) Rightclick the server object, and then click Configure the server to start the Configure DNS server Wizard. Click Next to continue.
 * 4) Click One or more DNS servers are running on this network, and then type the IP address of a known DNS server. Click Next to continue.
 * 5) Click No, do not create a forward lookup zone, and then click Next to continue.
 * 6) Click Finish to save the new configuration and to configure the DNS server.

Because this DNS server will only be responsible for supporting zones that support SRV records and dynamic update, certain zones on the other DNS servers should be delegated to this server. This includes:
 * _tcp. (for example: _tcp. .com)
 * _udp. (for example: _udp. .com)
 * _msdcs. ( for example: _msdcs. .com)
 * _sites. (for example: _sites. .com)

You have to repeat the following two sections for each zone that you create. After the zones are delegated to the DNS server, create a zone for each of the above zones on the Windows 2000 DNS server.

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To Create a New Zone for the Zones on the Windows 2000 DNS Server

 * 1) Click Start, point to Programs, point to Administrative Tools, and then click DNS to open the DNS Management Console.
 * 2) Click the DNS Server object for your server in the left pane of the console and click the (+) PLUS sign next to the server object to expand the tree.
 * 3) Right-click Forward Lookup Zones, and then click New Zone to start the New Zone Wizard. Click Next to continue.
 * 4) Click Standard primary to create a master copy of the new zone. Click Next to continue.
 * 5) Type the name of the new zone (for example, _tcp.mycompany.com), and then click Next.
 * 6) Click Accept to accept the default file name for the new zone file, and then click Next.
 * 7) Click Finish to close the wizard and return to the DNS Management Console.

After the new zone is created for the zones on the Windows 2000 DNS server, enable the zone for dynamic updates.

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To Enable the New Zone for Dynamic Updates

 * 1) From the DNS Management Console, click the DNS Server object for your server in the left pane of the console, and then click the (+) PLUS sign next to the server object to expand the tree.
 * 2) Right-click the server object, and then click Properties.
 * 3) On the General tab, click the Allow dynamic updates drop-down box, and then click Yes. Click OK to save the setting, and return to the DNS console.

Repeat the new zone creation step and the step to enable the zone for dynamic updates for each zone you create on the Windows 2000 DNS Server.

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Troubleshooting
The following section describes how to troubleshoot problems that you may have.

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Options to Configure Root Hints or Forwarders If They Are Unavailable
If no DNS servers were detected during the initial configuration of Windows 2000 DNS, the system will typically designate the new DNS server as a &quot;root server&quot;, which is the ultimate authority for all naming resolution activities. As a result, the new DNS server will not be able to forward any name resolution queries that it is unable to resolve to another server or to the root servers on the Internet. Consequently, a Windows 2000 DNS server that has been configured as a root server disables the options to add forwarders automatically.

If, at a later date, you decide that this DNS server should be integrated into a larger DNS environment such as the Internet, you will need to remove the &quot;root&quot; forward lookup zone.

To remove the root forward lookup zone:
 * 1) Click Start, point to Programs, point to Administrative Tools, and then click DNS to start the DNS Management Console.
 * 2) Click the DNS Server object for your server in the left pane of the console, and click the (+) PLUS sign next to the server object to expand the tree.
 * 3) Click the (+) PLUS sign next to Forward Lookup Zones to expand it.
 * 4) Click the zone that is marked with a (.) period, and then press DELETE.
 * 5) Click OK to confirm that you want to delete the zone.

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