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Move Mailboxes from Exchange 2003 Servers to Exchange 2010 Servers

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Applies to: Exchange Server 2010

Moving mailboxes from Microsoft Exchange Server 2003 Service Pack 2 (SP2) or later to Exchange Server 2010? Consider the following:

  • The move process is performed offline, and end-users won't be able to access their mailboxes during the move.
  • Perform the move from a server running Exchange 2010 by using the move request cmdlets in the Exchange Management Shell. You can't use Exchange System Manager on an Exchange 2003 server to move the mailboxes.
  • You can't move mailboxes from Exchange 2003 Service Pack 1 (SP1) or earlier.
  • Exchange 2003 doesn't have resource mailboxes. Instead, you must use shared mailboxes to represent resources. If you move a shared mailbox from Exchange 2003 to Exchange 2010, the move request creates the mailbox as a shared Exchange 2010 mailbox. After you move the mailbox to Exchange 2010, you can convert it to a resource mailbox. For more information, see Convert a Mailbox.

For detailed instructions about how to move mailboxes, see Managing Move Requests.

To learn more about moving mailboxes, see Understanding Move Requests.