Reverse dns zone not updating

As we noticed that only Windows 7 workstations with a static IP were being registered we started troubleshooting.As an AD guy I was 100% confident we could get this done using GPO’s.

Both are set to allow zone transfers between the two.

However in the past I have seen strange behavior with the GPO settings below Administrative Templates\Network\DNS client section, and today was just the same. Below Computer Configuration DNS Client there is a setting called “Register PTR Records”.

One could think that this is pretty easy to configure, enable, throw a gpupdate in and off we go.

Reverse delegations for IPv6 are based on the closest 4-bit boundaries.

The default prefix size for IPv6 delegations made are a /32 and /48.

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