No need to use the support tool dnscmd. You can manually clear the cache
by right clicking on the server name and selecting Clear Cache. Although
I could use that as a scheduled task if there is no other way to specify
a timing for clearing the cache automatically.

It isn't the forwarder's cache, as it reflects properly as soon as I do
a manual cache clear on the internal servers. We also get the correct
update if we do a nslookup from the console of the forwarder DNS server.

It's just a case of knowing where the cache time setting is, if there is
one. I thought it was the expire settings, but that does not appear to
affect the cache.

I know where it is in a raw DNS file, but we are running AD integrated
on the internal DNS, so that is not an option.

Best Regards, 
Dan Bartley

-----Original Message-----
From: Ed Esgro [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, July 24, 2002 11:40
To: NT 2000 Discussions
Subject: RE: Win2k DNS cache

Perhaps it is the external caching that is the problem. Test it out
change
your DNS server on a test box to the forwarders IP address. See if the
changes are taking affect quickly. You may need to change the default
gateway too, depending on your setup.

-----Original Message-----
From: Evans Chris - cevans [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, July 24, 2002 11:37 AM
To: NT 2000 Discussions
Subject: RE: Win2k DNS cache

If you are talking about clearing the Cache on the DNS server itself?
You
could use DNSCMD.EXE  and the /ClearCache option from the support tools
to
clear it. 

-----Original Message-----
From: Dan Bartley [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, July 24, 2002 10:18 AM
To: NT 2000 Discussions
Subject: Win2k DNS cache


Our AD DNS servers are authoritative for internal only, they forward to
our
public DNS servers for anything not in the AD domain.

I've tried to set DNS cache time to be as low as possible, we do a lot
of
updates on the public side and need them to reflect quickly from the
internal perspective. It still takes over 24 hours for the cache to
clear
and reflect accurate info, so I have to manually tell it to clear the
cache.
Can someone point me to where I should be setting this so it clears the
cache every few minutes? Apparently I don't know where it is.

TIA

Best Regards, 
Dan Bartley

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