riginally posted this in 4/2006, and updated throughout the years, but I still get questions from time to time asking why updates are not working, especially PTR.
Well, I thought it’s time for an update and to just offer a summary in the beginning, because in this day and age, no one wants to read!
By default, the ACL gives Create permission to all members of the Authenticated User group, the group of all authenticated computers and users in an Active Directory forest.
This means that any authenticated user or computer can create a new object in the zone.
Open the DHCP mmc and right click the server, and select Reconcile all scopes.Q: Does setting DNS dynamic update credentials on DHCP achieve the same result as adding a DHCP server to the Dns Update Proxy group?A: The short answer is no; however, it's important to step back and understand how DNS interacts with DHCP regarding dynamic updates, then look at what each of the two actions mentioned in the title actually does—namely, setting DNS dynamic update credentials on DHCP and adding a DHCP server to the Dns Update Proxy group.With the help of DNS integration with the DHCP, you can simplify this task and can remarkably reduce the administrative overhead.Just like other DHCP administration configurations, even this one requires that you should use the Enterprise Admin or Domain Admin account credentials to make the changes.