JFTR: In the meantime I managed to get the backup on this client working. It it just a workaround, and that workaround is not very nice.
Unfortunately I can't share the details on this list, but anybody interested can contact me by PM. Regards, -- Bjoern Rackoll University of Hamburg Regionales Rechenzentrum Zentrale Dienste Schlueterstr. 70 D-20146 Hamburg E-Mail: backup.rack...@rrz.uni-hamburg.de