DNS forward zone not updating from DHCP

Posted on 2010-01-07
Last Modified: 2012-08-14
I have my DHCP updating DNS dynamically.  I have a forward zone and reverse lookup zone.  I have properties for both zones set the same.  When DHCP gives an address to a workstation, the DNS reverse lookup zone, gets updated just fine.  Unfortunately the forward zone ( the most important!) is blank.

The dhcp and dns are on a windows 2003 server, it is not part of a domain or AD, nor are our workstations.   Thsnks for your help.
Question by:rjablonk
    LVL 31

    Expert Comment

    by:Henrik Johansson
    Check that the DNS forward zone allow dynamic updates.
    How is the DNS-tab in the DHCP server properties configured? Check the options to "Always update DNS A and PTR records" and "Dynamically update DNS A and PTR records for DHCP clients that do not request updates"

    Author Comment

    Yes DNS forward zone allows dynamic updates.  Addtionally the DHCP 'dns tab' is set correctly too.  
    The funny thing is if I set up the client in the TCP/IP advanced properties to  "REGISTER this connection's addresses in DNS"  The forward zone then gets updated!

    So therefore it seems the problem must be with the DHCP server?  Perhaps it is corrupt, what would be the harm in uninstalling and reinstalling the DHCP server.  Mind you that we have 100 addresses leased with it now.   Thanks.
    LVL 31

    Accepted Solution

    It's normal that the DHCP client handles the update of A-record in forward zone and DHCP server handles registration of PTR record in reverse zone.

    When using AD integrated DNS zones, each record object has permissions that nead to allow the record to be updated.
    Add the DHCP server (or domain service account used for DHCP server service) into the "DnsUpdateProxy" group to let the DHCP server act on behalf of the client.

    Featured Post

    How to run any project with ease

    Manage projects of all sizes how you want. Great for personal to-do lists, project milestones, team priorities and launch plans.
    - Combine task lists, docs, spreadsheets, and chat in one
    - View and edit from mobile/offline
    - Cut down on emails

    Join & Write a Comment

    If you have a multi-homed DNS setup in windows, you can have issues with connectivity to the server that hosts the DNS services (or even member servers of your domain if this same DNS server is a DC). This is because windows registers all of its IPs…
    There have been a lot of times when we have seen the need to enter a large number of DNS entries in a forward lookup zone. The standard procedure would be to launch the DNS Manager console, create the Zone and start adding new hosts using the New…
    Here's a very brief overview of the methods PRTG Network Monitor ( offers for monitoring bandwidth, to help you decide which methods you´d like to investigate in more detail.  The methods are covered in more detail in o…
    This video gives you a great overview about bandwidth monitoring with SNMP and WMI with our network monitoring solution PRTG Network Monitor ( If you're looking for how to monitor bandwidth using netflow or packet s…

    746 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    13 Experts available now in Live!

    Get 1:1 Help Now