I am migrating from Exchange 2003 to Exchange 2010 between AD forests. Exchange 2003 is in legacy forest, Exchange 2010 is in new forest. There is a 2 way external trust between the forests. I have migrated test user accounts from the 2003 forest using ADMT. When trying to run new-moverequest from EMC Powershell in 2010 environment, i get the following error: "Microsoft.Exchange.MailboxReplicationService encoutered an exception. Error: MapiExceptionNetworkError: Unable to make connection to the server. (hr=0x80004005, ec=24r23)"
The command I am running is:
New-moverequest -identity "useraccount" -remoteglobalcatalog "legacyGC.legacy.com" -remotelegacy -targetdeliverydomain "target.com" -remotecredential $Cred -targetdatabase "mailbox database 2010" -mrsserver cas.target.com
The user credentials for $Cred have exchange full administrator rights in legacy 2003 org.
I have successfully migrated the same user, using the same credentials to a legacy 2007 Mailbox/CAS/HT server I have installed in the same 2010 org. So I know the user has permissions. During the "move-mailbox" on 2007 server, i do get a warning saying "log on to user mailbox failed, will retry in 60 seconds", but after a few seconds the migration began and was successfull.
Could the new-moverequest be timing out during the authentication phase when talking to the legacy GC? Is there a setting to extend the timeout setting? The legacy exchange 2003 environment is running mixed mode, could this be causing a problem?
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New-moverequest Error: MapiExceptionNetworkError: Unable to make connection to the server. (hr=0x80004005, ec=2423)
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