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Upgrade Exchange 2003 to Exchange 2010, cannot Receive Email.

We are at the point that we can move all SMTP over to Exchange 2010. We can send email to external domains, but can not receive.

The firewall rules have been modified, Email filter DMZ Smtp smart connector has has been changed to new Exchange server, and  Receive and Send connectors created on Exchange 2010, what else could we be missing. The SMTP traffic is still going through our Exchange 2003 server.

Do we have to use the Remove-RoutingGroup Connector to remove the connection?
Can we did the same in the GUI?

Network IT
Network IT
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1 Solution
ISA would need to be directing port 25 to the Exchange 2010 Edge or Hub Transport server, this would then route between 2003 and 2010.

Check your general 2003 / 2010 transition settings here:-

(probably need to look around step 9 in the second link)




Network ITAuthor Commented:
Thanks for the update, I let know how it worked.
Any update on this problem?

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