Exchange 2003 to Exchange 2010 Upgrade Checklist – Section 5
Dec 30, 2013

Exchange 2003 to Exchange 2010 Step by Step Deployment Guidance

Section 5

Step 14: Move mailboxes to Exchange 2010

After you’ve deployed the Exchange 2010 Mailbox server role, you can move mailboxes from Exchange 2003 to Exchange 2010. Be aware that during the move users will not be able to send and receive messages. So, I recommend that you perform this step off-hours to minimize the interruption in service.

Learn more at: Understanding Move Requests

In Exchange 2003, shared mailboxes are used to represent resources (for example, a conference room, a piece of A/V equipment, etc.). Exchange 2010 introduces a new kind of mailbox called a resource mailbox. When moving a shared mailbox from Exchange 2003 to Exchange 2010, the move request creates the mailbox as a shared Exchange 2010 mailbox. After the move has been completed, you can convert the shared mailbox to a resource mailbox.

Learn more at: Convert a Mailbox

How do I do this?

You can use the Exchange Management Console and the New Local Move Request wizard to perform this task.

  1. In the Console tree, expand Recipient Configuration  and then select Mailbox.
  2. In the Result pane, select the mailbox(es) that you want to move.
  3. In the Actions pane, click New Local Move Request.
  4. On the Introduction page, configure the following settings, and then click Next:
    1. A new move request will be placed for the following mailboxes  This       displays the mailboxes being moved. To change this list, click Cancel,  and make new selections in the Result pane.
    2. Target mailbox database  Click Browse to open the Select Mailbox Database dialog box and select the Exchange 2010 mailbox database to which you want to move the mailboxes. Click OK to return to the wizard.
  5. On the Move Options page, specify how you want to manage corrupted messages if any are found and then click Next.
    • Skip the mailbox   This option skips any mailbox that contains any corrupted messages. We recommend selecting this option. Only select Skip the corrupted messages if the move request failed in a previous attempt.
    • Skip the corrupted messages   This option moves the mailbox,  except for any corrupted messages. If you select this option, you’ll need to set the maximum number of messages to skip.
    • Maximum number of messages to skip   If you select Skip the corrupted       messages, specify a number between -1 and 2,147,483,647.  Use -1 to skip an unlimited number of corrupted messages.
  1. On the New Local Move Request page, review the local move request to make sure it’s correct and then click New to create the move request. Click Back to make any changes.
  2. On the Completion page, review the information shown, and then click Finish.


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