Thanks is seems to work now, but still some problems.
Bosses it did log: Flame Leviathan, Razorscale, Ignis the Furnace Master, XT-002 Deconstructor, The Iron Council, Kologarn, Auriaya
Bosses it did NOT log: Hodir, Freya
This is in 25-man if that makes any difference.
Thats what I've noticed so far :)