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Exchange 2003 to 2007 routing issue

Dean79
Dean79 asked
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Medium Priority
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Last Modified: 2012-05-07
I have Exchange 2003 trying to migrate to 2007 but over the weekend the email routing to the 2007 exchange server stopped can someone please help.  I can still send from the 2007 clients to the 2003 but not receive from the 2003 clients.
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Messaging Engineer - Disaster Recovery Engineer
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Possible solution#1:
SMTP virtual server setting on the 2003 Exchange box needs to be Windows Integrated
in order to communicate with the Exchange 2007 server.

Possible solution#2:
Check your routing group connector.  From E2K3, check the configuration.  You won't be able to modify it from admin console.  It might be pointing to the wrong server (occured after I decommissioned a server)

Are you getting any error message on Exchange 2003?

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