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Update the IP Address for a DNS Delegation

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Applies To: Windows Server 2008, Windows Server 2008 R2

If you change the IP address of a domain controller that is a Domain Name System (DNS) server, you must update the IP address in the delegation for the DNS server in the DNS zone for the parent domain. You can use this procedure to update the IP address of a delegation for a domain controller that is also a DNS server.

Membership in Domain Admins, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (https://go.microsoft.com/fwlink/?LinkId=83477).

To update the IP address for a DNS delegation

  1. Open the DNS snap-in: On the Start menu, point to Administrative Tools, and then click DNS.

  2. In the console tree, if you are connected to a DNS server that hosts the parent zone, go to step 4. If you are not connected to a DNS server that hosts the parent zone, right-click DNS and then click Connect to DNS Server.

  3. Click The following computer, type the name of the DNS server that hosts the parent zone, and then click OK.

  4. In the console tree, double-click the server node for a DNS server that hosts the parent zone, double-click Forward Lookup Zones, and then double-click the parent zone.

  5. In the console tree, right-click the delegated zone of the DNS server whose IP address has changed, and then click Properties.

  6. On the Name Servers tab, click the DNS server whose IP address has changed, and then click Edit.

  7. In the IP Address list, click the address, and then type changes as necessary.

  8. Click OK twice.