plesk 12.5.30 migration manager + power user

Situation:

- one plesk 12 server in web host edition
- newly set up plesk 12 server in web admin edition, power user view
- trying to get several domains from the web host to the web admin edition

however:

- using /opt/psa/bin/migrate i always get this
Migration started at: 2015-11-28 23:51:55
Migration Manager is not installed
(using no, or insufficient options, does give me the migrate help)

- using /usr/local/psa/admin/sbin/modules/panel-migrator/plesk-migrator generate-migration-list...

plesk 12.5.30 migration manager + power user