Vray 1.49.02 For Sketchup -

In the era of version 1.49, V-Ray was transitioning from a purely technical tool to a more integrated artist-friendly plugin. Notable features of this generation included:

Insufficient Light Cache samples or low Irradiance Map settings. Fix: Increase Light Cache subdivs to 1500 and set Irradiance Map to High. Also, check the Noise Threshold (Global DMC) – set it to 0.005 for final frames. Vray 1.49.02 for Sketchup