message bouncing

vice · Joined: 06 Aug 2007 Posts: 1

Hello

I have problems with two exchange servers

After I installed new Exchange 2003 Server on Exchange 2000 Organization I
get NDR message when I send messages from the old server (or from the
Internet) to the new one (Old server is Exchange 2000 and a new one is
Exchange 2003)

When I send message from the old server to the new one (TestUser have
mailbox on new server) i get this NDR:

The following recipient(s) could not be reached:
TestUser on 24.8.2004 15:48
A configuration error in the e-mail system caused the message to bounce
between two servers or to be forwarded between two recipients. Contact your
administrator.

I have only one default SMPT connector which is routing all messages to the
Internet (Local Bridgehead is Exchange2000 Server, address space is *, and
cost is 1)

Thanks in anticipation,
Vice

Archived from group: microsoft>public>exchange2000>connectivity

Ade Famoti [MSFT] · Joined: 05 Aug 2007 Posts: 3

This NDR indicates a loop due to name resolution or DNS.

Firstly, if you have any internal MX records remove them; CNAMES improperly
configured should follow suit. Secondly, verify that the FQDN specified on
the SMTP virtual server properties resolves only to the IP of that the
sending and receiving servers respectively. You can use Nslookup to verify
this.

Eg. Nslooup
set q=any
oldSErver

"vice" wrote in message @TK2MSFTNGP12.phx.gbl...
> Hello
>
> I have problems with two exchange servers
>
> After I installed new Exchange 2003 Server on Exchange 2000 Organization I
> get NDR message when I send messages from the old server (or from the
> Internet) to the new one (Old server is Exchange 2000 and a new one is
> Exchange 2003)
>
> When I send message from the old server to the new one (TestUser have
> mailbox on new server) i get this NDR:
>
> The following recipient(s) could not be reached:
> TestUser on 24.8.2004 15:48
> A configuration error in the e-mail system caused the message to bounce
> between two servers or to be forwarded between two recipients. Contact
> your
> administrator.
>
>
> I have only one default SMPT connector which is routing all messages to
> the
> Internet (Local Bridgehead is Exchange2000 Server, address space is *, and
> cost is 1)
>
> Thanks in anticipation,
> Vice
>
>

quynhtuan · Joined: 06 Aug 2007 Posts: 1

Hi,

I have the same problem. So, Ade Famoti, can you tell me more detial or
guide me how to fix it step-by-step ?

Thanks for millions !!!!

--
quynhtuan
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Ade Famoti [MSFT] · Joined: 05 Aug 2007 Posts: 3

Can you give some more detail on your configuration.

Things to look for are:

1. On the SMTP virtual server : Advanced : delivery tab : make sure the
smarthost is not the IP or servername of the server having the issue.

2. On your SMTP connectors, make sure none of them have the address space of
"yourdomain.com"

3. On your SMTP connectors, make sure you dont have a connector that has the
smarthost has the local server name or IP.

4. If you are using smarthosts correctly, make sure the DNS entry for the
smarthost servers points to the smarthost , and not the local server.

Let me know if any of these help.

Ade

"quynhtuan" wrote in message @mail.webservertalk.com...
>
> Hi,
>
> I have the same problem. So, Ade Famoti, can you tell me more detial or
> guide me how to fix it step-by-step ?
>
> Thanks for millions !!!!
>
>
>
> --
> quynhtuan
> ------------------------------------------------------------------------
> Posted via http://www.webservertalk.com
> ------------------------------------------------------------------------
> View this thread: http://www.webservertalk.com/message363576.html
>

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