Completion of this section will move all the mail from the SBS 2003 system to SBS 2008. It can take quite some time and includes a number of checks to try to ensure integrity between the systems. It is also the first of our tasks that once again requires activity on both the SBS 2003 and SBS 2008 systems.
On the SBS 2008 system, select Migrate Exchange mailboxes and settings and then click on Next from the main screen.
Clicking on the Migrate Exchange Server mailboxes and public folders link will provide you with advice and guidance on what to do. I've expanded on that in this section.
The second link What happens to e-mail flow while I am migrating Exchange Server data and settings? explains that mail should continue to flow while you are working on this task; however, I've experienced the server not receiving mail during a migration before. Rather than trusting mail will continue to arrive, I would set the...