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Reverse DNS Zones not populating

Posted on 2014-04-15
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Last Modified: 2014-05-14
Dear Experts,

We have an environment with multiple DCs, each running DNS and DHCP.

I’ve noticed however that our Reverse Lookup Zones in DNS are practically empty, so there are no DHCP client entries or servers that we’ve given static IP addresses to.

In AD the security group ‘DNSUpdateProxy’ has no members, but I came across an article urging caution when adding DHCP servers to this SG.

What things should I be looking for to help resolve this?
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Question by:Bladey001
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Mahesh earned 2000 total points
ID: 40002061
you need to setup Dhcp advanced DNS options to Always dynamically update DNS A and PTR records
Always dynamically update DNS A and PTR records, what it means only DHCP will register Host (A) records and PTR records in DNS zone regardless of whether the client has requested to perform its own updates provided that zone is set to secure dynamic updates.
Also you must set credentials in DHCP server (IPV4 in DHCP Console) properties, other wise this process will not work
Note that account must be standard domain user account with non expiring password

This will ensure that when DHCP lease will expires \ changes by any mean on DHCP server, it will update corresponding DNS records

Also ensure that secure dynamic update is enabled on domain dns forward lookup zone (domain.com) and all reverse lookup DNS zones, other wise process will fail

DHCP advanced DNS options
Check below article for more info on same topic
http://www.experts-exchange.com/Networking/Protocols/DHCP/Q_28375413.html - DHCP Lease

Check below article for to understand DNSUPDATEPROXY group
http://technet.microsoft.com/en-us/library/dd334715(v=ws.10).aspx
If you added DHCP servers in dnsupdateproxy group, then run below command on dns server
dnscmd /config /OpenAclOnProxyUpdates 0

Check below article for more info
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2008/Q_28302450.html

lastly find one more excellent article
https://msmvps.com/blogs/acefekay/archive/2009/08/20/dhcp-dynamic-dns-updates-scavenging-static-entries-amp-timestamps-and-the-dnsproxyupdate-group.aspx

Mahesh.
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