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Exclude Name Suffixes from Routing to a Forest

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Applies To: Windows Server 2008, Windows Server 2008 R2

You can use the following procedure to exclude existing name suffixes from routing to a forest by using the Active Directory Domains and Trusts snap-in. You can also use the Netdom command-line tool. For more information about how to use the Netdom command-line tool to modify name suffix routing settings, see Netdom Overview (https://go.microsoft.com/fwlink/?LinkId=111537).

Note

When you exclude a name suffix, the Domain Name System (DNS) name and all child names of that name will be excluded.

Membership in Domain Admins in the forest root domain or Enterprise Admins in Active Directory Domain Services (AD DS), or equivalent, is the minimum required to complete these procedures. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (https://go.microsoft.com/fwlink/?LinkId=83477).

To exclude name suffixes from routing to a forest

  1. Open Active Directory Domains and Trusts.

  2. In the console tree, right-click the domain that you want to administer, and then click Properties.

  3. On the Trusts tab, under either Domains trusted by this domain (outgoing trusts) or Domains that trust this domain (incoming trusts), click the forest trust that you want to administer, and then click Properties.

  4. On the Name Suffix Routing tab, under Name suffixes in the x.x forest, click the unique name suffix whose subordinate name suffix you want to exclude from routing, and then click Edit.

  5. In Name suffixes to exclude from routing to x.x, click Add, type a DNS name suffix that is subordinate to the unique name suffix, and then click OK.