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Change Exchange Server 2007 mailbox sizes for Windows SBS 2008 migration

  • Article

Updated: January 22, 2009

Applies To: Windows SBS 2008

In Windows SBS 2008, the mailbox database and the individual mailboxes have a size limit of 2 GB. If the size limit of the mailbox database or the individual mailboxes on the Source Server is more than 2 GB, you must manually change the size limits on the Destination Server

To change the size limit of the mailbox database

  1. On the Destination Server, click Start, click All Programs, click Microsoft Exchange Server 2007, and then click Exchange Management Console.

  2. Click Continue in the User Account Control dialog box.

  3. In the Exchange Management Console navigation pane, expand the Server Configuration node, and then click Mailbox.

  4. In the result pane, click the Destination Server name.

  5. In the work pane, right-click Mailbox Database, and then click Properties.

  6. Click the Limits tab, specify the mailbox database limits, and then click OK.

To change the size limit of the individual mailboxes

  1. On the Destination Server, open the Windows SBS Console.

  2. In the navigation bar, click the Users and Groups tab, and then click Users.

  3. Click a user account, and then click Edit user account properties.

  4. Click the E-Mail tab, update the maximum mailbox size information, and then click OK.

  5. Repeat steps 3 and 4 until all user accounts are updated.