14.9. Enabling Dynamic DNS Updates from the DHCP Server

Problem

You want to configure the DHCP Server to perform dynamic DNS updates on behalf of clients.

Solution

Using a graphical user interface

To set the global dynamic DNS update configuration, do the following:

  1. Open the DHCP snap-in.

  2. In the left pane, right-click on DHCP and select Add Server.

  3. Type in the name of the DHCP Server you want to target and click OK.

  4. Right-click the server node and select Properties.

  5. Click the DNS tab.

  6. Check the box beside Enable DNS dynamic updates according to the settings below.

  7. Select the radio button beside the desired option. You can have A and PTR records updated only when requested by DHCP clients, or have them always updated, even if the DHCP client doesn't request it.

  8. Unless you have a good reason otherwise, you should check the box beside Discard A and PTR records when lease is deleted.

  9. Check the box beside Dynamically update DNS A and PTR records for DHCP clients that do not request updates if you have legacy clients such as Windows NT or Windows 9x that you want to register dynamically in DNS.

  10. Click OK.

To set the dynamic DNS update configuration for a specific scope, do the following:

  1. Open the DHCP snap-in.

  2. In the left pane, right-click on DHCP and select Add Server.

  3. Type in the name of the DHCP Server you want to target and click OK.

  4. Right-click on the target scope and select Properties.

  5. Click the DNS tab.

  6. Configure the settings as described above.

  7. Click OK.

Using a command-line interface

You can configure ...

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