Does this happen when that material ONLY has a diffuse material applied to it? Similar effects can happen when you have your spec power set way too low.
Yeah, I thought it was the specular at first too so I made all of the materials into simple diffuse only but that still didn't solve the problem. I ended up taking the entire building over to the November 2012 build and the lighting works fine there. I'm still going to play around a bit more cause in the 2012 build I…