I made a sculpt in ZBrush. Then baked the normal map in ZBrush and then GoZed the thing to maya. The viewport render is perfect almost seamless. But when I take it to mental ray I get results like this.

Turns out the normal map baked looks like this

It looks fine in viewport.
Then I baked a map in object space and got results like this

This also looks fine in veiwport.
Whats going on any ideas whats happening? Please help!