Mikael Schvili wrote:

When trying to archive emails for a user the archive process only
creates the empty folder tree in the archive folder but no emails are
transfered from the Mailbox folder.

That's probably because your messages aren't old enough to meet your archive
criteria. Autoarchive doesn't use the Received date. It uses the (ususally
undisplayed) Modified date to choose what gets archived.
--
Brian Tillman