Additionally, a fountain pen icon appears next to the lease record in DHCP. This icon indicates that the DNS registration is incomplete.
By default, the DHCP server registers the PTR records for dynamic update-aware clients. The PTR records may be the records that do not update in DNS and that cause reverse DNS lookups to fail.
A change in the DHCP dynamic update behavior causes DHCP servers in Windows Server 2008 and later versions to select a DNS server by the following criteria in the given order:
- Scope options
- Server options
- TCP/IP configuration of the network connections
If the DNS servers that are specified for the scope do not support dynamic updates, the update fails. The DHCP server retries several times to register the failing update. In the meantime, other dynamic updates are put into a queue for processing. Therefore, pending updates are delayed and registrations are not processed in a timely manner.
Note This method works for IPv4 scopes only. This value lets you specify the DNS server that should be used for dynamic updates. This overrides the default functionality for all scopes and causes DHCP to use only the specified DNS server for all IPv4 dynamic updates.