RE: Connecting Exchange servers
- From: "Anthony Kariuki" <A.Kariuki@xxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Wed, 22 Dec 2004 08:49:33 +0300
I will not pretend to know all AD/DNS thingys you have to check in order to get
things on top again. But last time I had a similar problem, it turned out that
my newly upgraded McAfee Viruscan 8.0i had implemented its own rules and
blocked port 25. Try to telnet onto port 25 of each server (and resolve any
issues there). Else, am clueless ...
Anthony
-----Original Message-----
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, December 21, 2004 10:52 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Connecting Exchange servers
http://www.MSExchange.org/
What is interesting is that messages between the 2 servers are being sent out
the smart host. This is whether one server receives an inbound for a user on
the other, or from a user on one server to a user on the other server.
I am seeing this error in the app log when a message is sent from one to the
other:
Event Type: Warning
Event Source: MSExchangeTransport
Event Category: Connection Manager
Event ID: 4000
Date: 12/21/2004
Time: 2:13:14 PM
User: N/A
Computer: EXCHANGE1
Description:
Message delivery to the remote domain 'exchange.domain.com' failed for the
following reason: The connection was dropped by the remote host.
Data:
0000: d3 02 04 c0 Ó..À
Exchange1 is the new server, and exchange is the old server. Message was sent
from a user on exchange1 to a user on exchange.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
> -----Original Message-----
> From: Mulnick, Al [mailto:Al.Mulnick@xxxxxxxxxx]
> Sent: Tuesday, December 21, 2004 6:13 AM
> To: [ExchangeList]
> Cc: johnlist@xxxxxxxxxxxxxxxxxxx
> Subject: [exchangelist] RE: Connecting Exchange servers
>
> http://www.MSExchange.org/
>
> For starters, I'd say have a look at
>
> http://support.microsoft.com/kb/823489
>
> And
>
> http://support.microsoft.com/kb/281382/EN-US/
>
>
> But I'm a funny one. I prefer to ensure that Exchange and AD are
> correct
in
> terms of name resolution and permissions etc. I tend to look at
> service pack levels, event logs, dcdiag, netdiag, policycheck, telnet
> to SMTP etc
to
> make sure that all is reportin as well before getting into the
> application troubleshooting. You can use extra logging functions to
> see if the rest
of
> those work out well. Netmon can be helpful as well.
>
> Winroute is an especially useful tool in these situations.
>
> Al
>
> -----Original Message-----
> From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
> Sent: Tuesday, December 21, 2004 1:36 AM
> To: [ExchangeList]
> Subject: [exchangelist] RE: Connecting Exchange servers
>
> http://www.MSExchange.org/
>
> > For the situation you described I was guessing that both were in the
> > same routing group/Admin group. If they are in the routing group,
> > then no intervention is required for them to send messages to each
> > other. That should work and if it does not, you need to troubleshoot
> > and fix that
> prior
> > to moving on.
>
> I am having that exact problem right now at a client. Exchange and
Exchange1
> belong to same routing group and same admin group, but users on one
> can
not
> send to users on another.
>
> I am troubleshooting this and any pointers is appreciated. No errors
> at present in the event logs, messages just sit in queue until timed
> out,
then
> NDR to sender.
>
> John Tolmachoff
> Engineer/Consultant/Owner
> eServices For You
>
>
>
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