is there a possibility to have acces with limited options and limited possibilities
for example only van acces to a small group of scenes of on / off switches
and only be possible to swich off and on
this to avoid that users will delete settings
No. It’s been asked before, the answer boils down to: There’s no authentication in (Vera’s implementation of) UPnP, so no way to prevent certain commands from being run by certain users.
it is a pitty it would have protected hours of work of each of us
mabey something for the future