New-ManagementRoleAssignment –Role “Mailbox Import Export” –User AD\Administrator
New-MailboxExportRequest -Mailbox Administrator -FilePath “\\AZUA\Exports\Administrator.pst”
Taken from: http://www.stevieg.org/2010/07/using-the-exchange-2010-sp1-mailbox-export-features-for-mass-exports-to-pst/
kommelsson 