Workstations’ records not updating in DNS

dhcpdomain-name-systemwindows-server-2008-r2

I have a firewall appliance that uses DNS records of PCs and user authentication from LDAP.
(Windows environment).
The PCs in the environment are displaying old DNS records and not updating.
This in turn is affecting the firewall (due to multiple computers having the same DNS record).
It isnt happening to all workstations. Majority are updating but some just wont.
Any ideas?
DHCP is providing the addresses no problems but from there the new records dont seem to be getting to DNS.

Thanks

Best Answer

Check the permissions on the DNS entry directory objects in the DomainDNSZones/ForestDNSZones container.

I've seen situations where the permissions don't allow the workstation to update its own address due to permissions issues, specifically a DHCP server creating DNS entries on behalf of clients that have restrictive permissions (but static entries created by a user would do the same).

Are the offending entries static? If they aren't.. do you have scavenging enabled?

And, stating the obvious, but: make sure the "Register this connection's address in DNS" box is checked on the NIC (IPv4 -> Advanced).

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