Re: Help with Zone tranfers keep breaking

Ok here is how it looks and yes DNS Integration is turned on the
primaries.
what do you mean with this? The DNS is Active Directory Integrated? Are you
sure?
If yes, you only need to check allow zone transfer in each server, FW
defenitions (if any), and that the servers are reachable (for example by
ping).




--
I hope that the information above helps you

Good Luck
Jorge Silva
MCSA
Systems Administrator

"Chris Peikert" <c.peikert@xxxxxxxxxxxxxxxxxx> wrote in message
news:U7WJg.20027$kO3.9100@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Ok here is how it looks and yes DNS Integration is turned on the
primaries.

Forrest A --- Server A---DNS Primary with Forrest B DNS Secondary

Forrest B --- Server A --- DNS Primary with Forrest A Secondary

Forrest B --- Server B --- DNS Primary with Forrest A Secondary

Forrest B --- Server C --- DNS Primary with Forrest A Secondary

Forrest A is in 192.168.123.x subnet
Forrest B with Server A, and C is in 192.168.1.x Subnet
Forrest B with Server B is in 192.168.18.x Subnet.

There is only one firewall but its not in the path of communication
between these 3 subnets. They all link up to a Routing Switch.




"Jorge Silva" <jorgesilva_pt@xxxxxxxxxxx> wrote in message
news:O$2DzXVzGHA.4932@xxxxxxxxxxxxxxxxxxxxxxx
Ok.

I believe they are all primary zones.

All zones Primary Zones AD Integrated? I'm asking this because you can
only have one single standard Primary Zone configured on one server and
all other servers that need that Standard Primary Zone will have to be
setup with secondary zone.
For example (In forest B) if ServerA as a Standard Primary Zone, then
ServerB and C would need to have secondary Zones configured. In this
scenario If you configure ServerB and C with primary zones, that means
that all zones will be independent from each other.
You can confirm this on the Zone properties.

Assuming that you have Primary Zone AD Integrated:
Let me see if I get this right:
On Forest A you have a DNS server configured with a Primary Zone
Then you add a Secondary zone From ForestB, you configured that secondary
Zone to load from ForestB-ServerA,B and C.
That Zone only updates when ServerC is online Correct?

Check:
-Go to ForestA DNS ServerA and right click on that secondary zone and
choose properties, on the general tab, confirm that you have the correct
IPAddresses for the servers (A,B and C) in ForestB.
-Then go to EACH Server in forestB (Server A, B and C), right Click on
the Zone choose Zone Transfers Tab, make sure that in EACH server you
have the option "Allow Zone Transfers" Selected and the option "Only to
the following Servers" and that you have the Correct IPAddress for
ServerA In ForestA, this has to be done in EACH DNS Server in ForestB.

FW=Firewall, I asked this because if you have those servers (From
ForestB) in different locations they might have one Different FW to each,
and that FW might prevent Zone transfer. Check Ports 53 TCP/UDP.

Conditional Forwarding (Only in windows 2003):
Defines where Specific queries for especific Domains are forwarded, this
is a very popular method used in different forests configuration scenario
(Note: You can't use Secondary Zones and Conditional Forwarding to the
Same Domain in the Same server, you can only use one of both methods in
each server).

http://technet2.microsoft.com/WindowsServer/en/library/0104be3c-0405-4455-b011-6950875c04461033.mspx?mfr=true

http://www.windowsnetworking.com/articles_tutorials/DNS_Conditional_Forwarding_in_Windows_Server_2003.html




--
I hope that the information above helps you

Good Luck
Jorge Silva
MCSA
Systems Administrator

"Chris Peikert" <c.peikert@xxxxxxxxxxxxxxxxxx> wrote in message
news:ozHJg.13112$%j7.12508@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I believe they are all primary zones.
All servers are setup to do Zone transfers.
We are not using any forwarders if thats what FW is.
What is conditional forwarding?

"Jorge Silva" <jorgesilva_pt@xxxxxxxxxxx> wrote in message
news:eJ9dCKQzGHA.4816@xxxxxxxxxxxxxxxxxxxxxxx
Hi

Are you working with Secondary Zones?
Did you configured Server A,B and C to allow zone transfer?
Do you have any FW between these servers?

Why don't you use Conditional Forwarding?

--
I hope that the information above helps you

Good Luck
Jorge Silva
MCSA
Systems Administrator

"Chris Peikert" <c.peikert@xxxxxxxxxxxxxxxxxx> wrote in message
news:palJg.4478$yO7.3130@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Here is a setup of our current system.

Forrest A ---- Domain A ---- Server A

Forrest B ---- Domain A ----Server A (main server), B, and C.

Forrest A keeps having trouble with the DNS staying updated. When it
tries to replicate the zone info it gets an error "Unable to locate a
logon server." The server Forrest A wants is Server C in Forrest B.
Question is why doesnt Server A or B answer the request? Also is there
a way to make it look for Server A instead of C?
We rebooted Server C and it works fine for now, but what will happen
if C dies and goes offline permanatly? We could really appreciate some
help here. Thanks.











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