Also to elaborate, it seems like it updates fine when I'm changing the light power, opactiy, etc. Only when I moved them does the lighting not refresh. Basically I can tweak the lighting after I position it, but getting them into position is whats not working.

Is this a known issue? When I am setting up lights for my model, they don't appear or refresh in the render until I hit Refresh on the IPR render... which makes it very difficult to accurately set up lights without automatic feedback. Every time I have to put in a light, I have to move it, hit ...