Dhcp server not updating dns records

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This could easily be overkill, but since the above answers didn't cover things from a group policy angle here goes. sends option 81 and its fully qualified domain name to the DHCP server and requests the DHCP server to register a pointer resource record (PTR RR) on its behalf.

The dynamic update client registers an address resource record (A RR). the DHCP server can be configured to instruct the client to allow the server to register both records with the DNS.

If you use an older version of Ubuntu, then you might want to check out the old guide, that was written for Ubuntu 8.04.

Information The steps in this post shows how to configure the DHCP server to automatically update the DNS records when giving out a new lease to a client computer. Before continuing These steps assumes that you already have a working copy of isc-dhcp-server and bind9 installed.

Image of the DNS tab Another issue that we found out is if the DNS zone (both) is set to Secure only.

If the Machine is not generating a unique SID, then an Active Directory integrated DNS will have the option to be set as allowing secure updates only.

A network capture of traffic exiting your network will probably confirm that.In Windows 2008 and above, there is an option in the DHCP scope to set up the DHCP server to automatically update the authoritative DNS servers with the host (A) and PTR) records of the DHCP clients.You must enable DNS dynamic updates and choose the option for "Always dynamically update DNS A and PTR records, and to Discard A and PTR records when the lease is deleted.I found that my DNS servers had scavenging set for 3 days and my dhcp scope was set to 1 day leases.I changed the scavenging and then made sure that I selected to scavenge for stale resource records.

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