Increasing simultaneously number of Mailbox moves in Exchange 2010

Sometimes we want to minimize the time required to move all the current mailboxes available on 2003 / 2007 to 2010, and for configuring your 2010 to process high number of mailboxes move simultaneously, we need to change the default configuration, which described as follows:

1. Go to all CAS Servers, open the below file in notepad or any file editor:
X:\Program Files\\Exchange Server\V1\Bin\MSExchangeMailboxReplication.exe.config

2. Change the below values:

MaxActiveMovesPerSourceMDB = “25″

MaxActiveMovesPerTargetMDB = “25″

MaxActiveMovesPerTargetServer = “25″

3. Save the file and restart the “Microsoft Exchange Replication” service.

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