Hi again.
Here is the french version of the tutorial for OMV 1.0. It has been tested on a fresh install in a Virtual machine.
I found OMV needs a debian package not needed in OMV 0.5 also.
https://howto-it.dethegeek.fr/…_et_partager_via_CIFS/SMB
EDIT : English version available : Tutorial OMV 1.0 - how to join an Windows 2008 R2 domain