When you are migrating email to Rackspace, all email might not be migrated over to the new Rackpace mailboxes after the first migration pass. This incomplete migration usually occurs during the Switch Over phase when changing MX records. During that time, email might continue to be delivered to the environment from which you are migrating. To mitigate this issue, you can run additional migration passes. These extra passes capture differential data and migrate any new items that might not have been available during the first migration.
Every mailbox being migrated receives up to 10 passes at no additional charge. Following are some additional details about migrations passes:
1. Log in to the migration portal via the link that was sent to you when you signed up for MigrationWiz.
The link looks similar to the following one: https://rackspace.selfmigration.com/Public/Default.aspx?t=MjEyMTRiMGYtOW...
After you log in, you are directed to the page that you were previously on.
2. To view all migration projects, click the My migrations link in the upper-right corner of the page.
3. In the Actions column of the Migrations Projects table, click the Migrate New Items icon . The Status will then change to Processing, indicating that the pass has begun.
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