Archived from groups: microsoft.public.win2000.dns (
More info?)
In news:421b1fa1$0$10681$ba620e4c@news.skynet.be,
Guy RULKIN <rulkin_guy@hotmail.com> commented
Then Kevin replied below:
> "Kevin D. Goodknecht Sr. [MVP]" <admin@nospam.WFTX.US> a
> écrit dans le message de
> news:uXSOzmMGFHA.428@TK2MSFTNGP15.phx.gbl...
>> In news:421af565$0$9125$ba620e4c@news.skynet.be,
>> r <r> commented
>> Then Kevin replied below:
>>> Dns server installed in windows 2003 small business
>>> serveur premium, with isa un-installed, nslookup report
>>> an error (on the server) when i try www.microsoft.com.
>>
>> What kind of error does nslookup give you?
>
> a timeout error
Is this the "can't find server name for address <ipaddressofdns>?
>
>>
>>> When i test with a recursive query inside mmc, a have an
>>> error too.
>>
>> Have you tried giving the DNS server a forwarder?
>
> yes : fowarder = redirector (french version)
>
>>
>> The redirectors are well setted, internet
>>> connection work fine, on the server and on the network.
>>
>> redirectors?
>
> sorry, it's a french version and i translate fowarder by
> redirector. I have 2 forwarders from my isp
>
OK That sounds better. Sorry for the poor translation. In English a redirect
would mean I don't have it, I'm going to send you over there to get it. That
is NOT how a forwarder works, if the DNS server doesn't have the answer, it
says to the client I'll go get the answer for you wait here.
The DNS server itself has the ability to ask a DNS server "do you have the
answer, if you don't, where can I get the answer? But that isn't a recursive
lookup, it is an iterative lookup. A Forwarder is not asked for these types
of lookups. The whole process is called recursion
Your DNS server will ask its forwarder for recursion, "Do you have the
answer, and if you don't can YOU go get the answer and return it to me?" A
forwarder MUST support recursion.
If ISA is in the mixed make sure the ISA has rules to support the type of
lookup the DNS server is using.
In other words, if ISA is not configured to allow your DNS server to do
iterative lookups you are going to have problems, unless you check the box
on the forwarders tab "Do not use recursion" then make sure the DNS server
has a recursive DNS server as its forwarder. If ISA is in proxy mode, you
will probably want to use ISA as its forwarder. If ISA is in firewall mode
make sure the rules allow your DNS server to connect to external DNS
servers. For the type of lookup it uses. If you don't have a forwarder
enabled, the DNS server has no choice but to use iterative lookups, which
requires it to be able to connect to any DNS server on the internet.
If it has a Forwarder enabled, the forwarder must be able to return the
final answer and not a referral.
> the domaine is named "domaine.local". The name
> resolution for the domain work fine
This tells me that DNS is working.
--
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
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