Re: DNS not dynamically updating clients

"TripleT" <TripleT@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:642F6D6E-4EED-4F0F-BD20-8106A9076AA7@xxxxxxxxxxxxxxxx
Thanks for all you r help in this matter.

Current Configuration:
Primary DNS, DHCP, WINS - 2K3 server - member server on NT40 domain
Secondary DNS, WINS - 2K3 server - member server on NT40 domain
Workstation clients - All Windows XP Pro

Is your primary Zone set to allow updates?

I have all the neccessary configurations set in DHCP to dynamically update
the DNS servers but it is not working.

When you say "all the necessary..." we cannot really help
you. Unless you list those we have to presume you know
and have everything correct.


The Primary DNS server is working
without any errors. We did however, change the name of the SOA to NS1
instead of using the name of the server. Could this be the problem?

Probably not, with one exception: If the DHCP server
is set to use the Secondary, and the SOA record lists the Master
under a name which is NOT resolvable to an IP (i.e., no A record
for the Primary which accepts the dynamic updates.)
(Maybe even if it is set to use the Primary.)

How does the DHCP FIND the Dynamic Master (i.e., the Primary)?

We are
not using the DNS registration credentials in the DHCP Advanced options.

That shouldn't matter since (presumable in an NT domain) you
don't have AD Integrated DNS and thus don't have "secure updates"
enabled.

Those credentials only matter for secure updates. (And although I
don't know this, I would be unsurprised if using them when not
necessary confused the DHCP server.)

The Primary and Secondary DNS servers are pointing repectively to
themselves
in IP Config for thier preferred DNS with no alternate DNS.

That's irrelevant to all except those two specific servers.

Where is the DHCP server pointed and how can it resolve
to FIND the DYNAMIC Primary DNS server?

The errors in in the DHCP log I am getting is as follows:
31,04/28/06,00:20:25,DNS Update Failed,10.100.101.91,IT-10058.,-1,
31,04/28/06,00:20:25,DNS Update Failed,10.100.101.92,it-10131.,-1,
31,04/28/06,00:20:25,DNS Update Failed,10.100.101.93,IT-10127.,-1,

You might not want to truncate those line.


It looks like DHCP is trying to update DNS but fails. Any ideas? Thanks.

It's probably not finding the DYNAMIC Primary for the zone.

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]


.

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