Do i need a proper Mental ray license for:
REndering subwindows???????
Is Maya2MR. able to do that?

I'm not sure I understand the question correctly, what do you mean by "sub-windows"?

Darkon

---

Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.