On a Windows Server 2003-based DHCP server, you can dynamically update the DNS records for pre-Windows Server 2003-based clients that cannot do it for themselves.

To enable a DHCP server to dynamically update the DNS records of its clients, follow these steps:

  1. In the DHCP management console, select the scope or the DHCP server that you want to enable DNS updates for.
  2. On the Action menu, click Properties, and then click DNS.
  3. Click to select the Enable DNS dynamic updates according to the settings below check box.
  4. To update a client’s DNS records based on the type of DHCP request that the client makes, click to select Dynamically update DNS A and PTR records only if requested by the DHCP clients. (This update will only occur only when the client makes a request.)
  5. To always update a client’s forward and reverse lookup records, click to select Always dynamically update DNS A and PTR records.
  6. Click to select the Discard A and PTR records when lease is deleted check box to have the DHCP server delete the record for a client when its DHCP lease expires and is not renewed.

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