export all mailboxes exchange 2010

To do a bulk mailboxexport on exchange 2010 for all mailboxes, it mus tbe to a share and the share needs appropriate permissions.

Filter the get-mailbox to get a subset of the mailboxes.

$a=get-mailbox
foreach ($u in $a) {
  $u.alias
  $ua=$u.alias
  new-mailboxexportrequest $ua -filepath \\mailserver\exportedemail\$ua.pst
  }