Ah that's the magnets, yes that's normal.  DAZ replaced the default magnet geometry with a null object that has zero polygons, because you're not intended to jack around with the magnets - having them load with their default geometry just needlessly increases poly count.  This has nothing to do with your indirect lighting problem.

I apologize, I promise you I don't intend to come across as abrasive.  People in general really do underestimate how much things like materials and polygon smoothing can add to render times!  I don't think you should automatically know this, or I'd have said "You should automatically know this" - when I do feel like being abrasive, which happens from time to time, I'm not terribly subtle or shy about it.

Further, you are a very nice and generous person, and I'd never dream of being rude to you, please accept my apologies - apologies aren't all that frequent from me so I hope you see it's sincere.

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