How to Create a Conditional Forwarder on a Windows DNS Server

How to Create a Conditional Forwarder on a Windows DNS Server


This article provides information on creating a conditional forwarder on a DNS server running Windows Server 2003, 2008, 2008 R2, or 2012.


For general information on conditional forwarders and how they differ from stub zones, see Conditional Forwarders and Stub Zones in Windows DNS.

Conditional forwarders are useful when DNS queries for certain domains must be redirected by a local DNS server to other known DNS servers, typically servers authoritative for the domain in the query. The process of creating a conditional forwarder depends on the version of Windows running on the DNS server on which they are created.

To create a conditional forwarder in Windows Server 2003:

  1. Open the DNS Management console.
  2. Right-click the DNS server's name in the left pane and select Properties.
  3. Select the Forwarders tab of the properties window.
  4. Click the New button in the DNS Domain section.
  5. Type the name of the domain for which the forwarder is being created.
  6. With that domain selected, enter the IP addresses of the servers to which queries should be sent in the Selected domain's forwarder IP address list field, clicking Add after each one. The result should look similar to the following:
  7. Click OK to close the properties window.

To create a conditional forwarder in Windows Server 2008 and later versions:

  1. Open the DNS Management console.
  2. Right-click Conditional Forwarders in the left pane and select New Conditional Forwarder.
  3. Type the name of the domain for which the forwarder is being created in the DNS Domain field.
    Note: A conditional forwarder for reverse lookup may be created by supplying the appropriate domain name in "in-addr.arpa" format. For example, to create a conditional forwarder for the 192.168.100.0/24 subnet, specify 100.168.192.in-addr.arpa as the domain name.
  4. Type the fully qualified domain names (FQDNs) or IP addresses of the servers to which queries should be sent in the IP addresses of the master servers field. If DNS is functioning properly and the appropriate records exist, typing the FQDN of a server should cause the wizard to resolve its IP address and vice versa.
    Note: Validation may fail with the error "The server with this IP address is not authoritative for the required zone." Ignore this error if you are certain that the server is authoritative for the given zone.
  5. If desired, select the Store this conditional forwarder in Active Directory, and replicate it as follows checkbox, then select a replication scheme from the dropdown list. The result should look similar to the following:
  6. Click OK to close the New Conditional Forwarder wizard.

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Article ID: SLN164002

Last Date Modified: 09/28/2018 05:25 AM


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