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SLY
Asked: 2010-12-22 11:16:45 +0800 CST

Debugging Internal Emails with Exchange 2003/2010

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I am in the middle of migrating from Exchange 2003 to Exchange 2010 SP1.

I have moved one mailbox over to the new server EXCHANGE2010 . For some reason if an internal email is sent from someone on EXCHANGE2003 (the old server), it is not delivered to the new mailbox on EXCHANGE2010.

Where should I look to debug this problem? What logs should I consult?

Update: I found the messages in Queues on the old server, listed as messages with an unreachable destination.

exchange-2003 exchange-migration exchange-2010

1 Answers

  1. Best Answer

    I found it! You need to create a routing group between the old and the new server: http://technet.microsoft.com/en-us/library/aa997292.aspx

    This example creates reciprocal routing group connectors between the Exchange 2010 routing group and the routing group associated with the specified Exchange 2003 server, assigns a cost of 10 to that connector, and enables public folder referrals.

     New-RoutingGroupConnector -Name "Interop RGC" -SourceTransportServers "Ex2010Hub1.contoso.com" -TargetTransportServers "Ex2003BH1.contoso.com" -Cost 10 -Bidirectional $true -PublicFolderReferralsEnabled $true
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