to get a better motion blur I upped the geometry samples to 8 and now 3ds max is stuck to what seems forever at building embree moving trees.
Using vnext on 3ds max 2015.
any idea how to solve this? just not up the samples? 
everything in my scene looks good, a little noisy but nothing the denoiser couldnt solve. but the motion blur is noisy so I am trying to play with these settings to get rid of the noise. I dont want to lower the general noise threshold to keep renderings times at a minimum. any suggestions for that?
It will be best if you send me the scene.
I thought so. Uploading right now and sending it to support/you
Reproduced and logged. Thanks!
And resolved too? Haha
Do you have any tips on getting smoother noiseless motion blur without affecting the samples for the rest of the scene?
Should be fixed for the next release (it’s already in the nightlies).
great! there doesnt seem to be a nightly for 3ds max 2015 anymore though. Until recently it was there.
Could you please start compiling for 2015 again?
We’ve never stopped 
There was a temporary building problem for some versions, should be ok now.