I am still convinced that my 2-client resource solution will work.
However, there are some restrictions to follow:

1. Of course you will need the save set "DISASTER RECOVERY:\".
   I did not mention this earlier because it was obvious to me when i am 
talking about 'the VSS Save Sets'.

2. When you select DR save set, NW will remind you that it must have the system 
drive as well.
    In fact it is talking about 'All critical volumes' which means nothing else 
but all drives where an EXE runs/is registered as a service.
    This is usually the C:\ drive but might apply to others as well.
    As long as such does not exist, my solution should be fine.

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