I’m currently testing an Exchange 2010 server for the organisation prior to a migration project, specifically testing moving mailboxes backwards and forwards. Something that confused me slightly for a few minutes was this: if there is an existing Move Request (pending, in progress, failed or completed) you will not see the “New Local Move Request” or “New Remote Move Request” -
Fortunately this is very simple to counter – simply clear the old “Move Request” and the options will be back in the Mailbox options: