Exchange 2010 Routing Issue

Posted on 2013-06-05
Last Modified: 2013-06-17
I am currently migrating 4 servers (4 administration groups) from exchange 2003 to 2010.

I have successfully migrated the first 2003 server (ukmail) to 2010 (ukex). I am now migrating the second 2003 server (nymail) to 2010 (nyex) and have mail flow issues.

Whenever I send an email from nymail (2003) to nyex (2010), it goes via ukex (2010) server. I have configured a legacy routing group direct from nymail to nyex.

Does anyone have an idea why this could be happening?

Thanks in advance
Question by:IDWilliams
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LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39222577
Smart host on SMTP virtual server would be my first guess.
Are the routing group connectors you configured bi-directional?
Are the Exchange 2003 servers in seperate routing groups? If not then Exchange will treat them all as one.


Author Comment

ID: 39222627
Just checked, no smart hosts setup on 2003 server.
Yes the routing groups are bi-directional.
Yes the 2003 servers are in separate routing groups.
LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39222771
Have you restarted any services on the Exchange 2003 server since creating the connectors? It could be that the connector didn't create properly - that happens all the time.

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Author Comment

ID: 39225046
The old turn it off and on again :)
Just tried that, with no success.

Any more ideas?
LVL 63

Accepted Solution

Simon Butler (Sembee) earned 250 total points
ID: 39226977
Remove the connectors completely and recreate them.
While you do that email will queue, but it will force the routing tables to update.


Author Closing Comment

ID: 39252765
Thanks simon, that worked a treat!

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