Hi Ertug

Have you tried clearing the cache on the Domain controller DNS and see if
it works then?

Also, you may want to set up forwarders on your DCs to point at your ISP
DNS servers - chances are they have heavy DNS caches going and will be able
to resolve external addresses much quicker then using root hings - which
may be timing out causing your DC to cache Domain Not Found for that query
in its DNS cache.

Regards;

James R. Day
Active Directory Core Team
Office of the Chief Information Officer
National Park Service
(202) 354-1464 (direct)
(202) 371-1549 (fax)
[EMAIL PROTECTED]


|---------+---------------------------------->
|         |           "Ertug Gurhan"         |
|         |           <[EMAIL PROTECTED]> |
|         |           Sent by:               |
|         |           [EMAIL PROTECTED]|
|         |           tivedir.org            |
|         |                                  |
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|         |           02/08/2005 01:07 PM EST|
|         |           Please respond to      |
|         |           ActiveDir              |
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  |       To:       <[email protected]>                              
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  |       cc:       (bcc: James Day/Contractor/NPS)                             
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  |       Subject:  [ActiveDir] DNS resoltuion Issue                            
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Guys, have been having a sporadic issue, on my network, both when it was a
2K Domain and now since the upgrade to 2K3.

Basic Config is: 7 sites - DC - GC - DNS server in each site - WINS in each
site etc. All DC's are 2K3 AD integrated DNS.

DC's are configured to use internal addresses for DNS.

>From time to time, we have issues resolving a domain name, the name is not
the same one every time, for example today it was.


http://www.registrefoncier.gouv.qc.ca/


No clients are able to browse to this site, (site not found) my only fix so
far is to restart the DNS service on the DC for the site having the issue,
and away goes the problem.


If a client statically enters the external ISP address for DNS resolution,
it works.

No forwarders specified in DNS.


It is not client/os specific, mix of NT4 - 2K and XP


Anyone seen this before?


Thank you


Ertug









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