I would think that configuring "parallels" is just as complicated as setting up a master configuration in a pure Mac environment.
If you allow the luxury of two environments, the price is the duplication of the effort, I would say.
So your administrator would now have to maintain two configurations, one for Windows, one for Mac.
And to cut this a little short, here is a statement about the import of the windows configuration file:
... which underlines that probably the maintainance of 2 configuration files is much easier than other workarounds