I have a related question. I have exactly the same problem, except I'm not planning to have cameras installed at any near point in time. I haven't yet gotten what I've already ordered to work right, except for a few lamp modules, but that's more of a newbie thing I HOPE.
What I want to know is, how do you prevent the iWitness error screen from popping up when you load Active Home Pro, the one that informs you that you don't have what you need installed and then you have to hit a button to dismiss it? Short of uninstalling the iWitness plugin; or should I do that? Will it trash anything I've already set up, I wonder?