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All I want to do in migrate the email. &nbsp;I will not be migrating any users from one forest to the other. &nbsp;The tool above seems to want to do both.
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All I want to do in migrate the email.  I will not be migrating any users from one forest to the other.  The tool above seems to want to do both.

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I have one exchange 2003 server that is in its own &nbsp;forest. &nbsp;I have to create a new forest and install Exchange 2007 in it. &nbsp;What is the most efficient way to move all the mail boxes from the 2003 Exchange server to the Exchange 2007 server? &nbsp;I will have to move about 100 mailboxes.
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I have one exchange 2003 server that is in its own  forest.  I have to create a new forest and install Exchange 2007 in it.  What is the most efficient way to move all the mail boxes from the 2003 Exchange server to the Exchange 2007 server?  I will have to move about 100 mailboxes.

Migrating mail from exchange 2003 to Exchange 2007

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.