Re: ISA-DNS-EXCHANGE INTERACTION
- From: "Moore, Scott A." <scott.moore@xxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 25 Jul 2002 13:29:13 -0400
I believe Attonbitus may be on to something there. You might also want to
look at how you are forwarding DNS. It is often a good idea to have your
internal DNS forwarding to your external DNS for foreign queries. It would
then be simpler for exchange to route everything to the internal and let DNS
do it's thing.
My $0.02
Scott Moore, MCSE 4.0/2000, MCT, MCP+I, CCSA, CCA
Unisys Corporation
scott.moore@xxxxxxxxxx
-----Original Message-----
From: Deus, Attonbitus [mailto:Thor@xxxxxxxxxxxxxxx]
Sent: Thursday, July 25, 2002 1:19 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: ISA-DNS-EXCHANGE INTERACTION
http://www.ISAserver.org
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At 09:41 AM 7/25/2002, you wrote:
>http://www.ISAserver.org
>
>
>I have a dc running dns and exchange behind my ISA (all are w2k sp2,
>exch2k is sp2) Whenever I reboot the ISA my out-going mail starts backing
>up. If I go to the dc and restart dns it gets flowing again. Any
>suggestions how I can resolve this?
>Thanks in advance and belatedly for all the other info I've gotten off
>this list.
Hey Todd-- A couple of things:
Ensure that the DC/Exchange server is a SNat client (point default gateway
at ISA internal NIC). Also, make sure you do NOT have the firewall client
on the server. The FW client on a stand-alone EX2k server does not seem to
mess anything up (still not recommended) but putting the FW client on a DC
with EX2k seems to monkey with the endpoint mapper availability to internal
units, and you'll begin to get RPC "No available endpoints from endpoint
mapper" or something like that.
Given this config, your IP Config DNS should be internal-only. Go to the
advanced delivery of SMTP in EX2k and put your external DNS there.
Let us know what is going on...
AD
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