Kontakt 6 in PT - unable to create Stereo outputs

[lanstrad]

That's another one - not sure if related to a bad romance between PT and NI...

As I want to use different outputs for different instruments (and different MIDI channels), I'm trying to create outputs in Kontakt 6 (latest, on KOMPLETE 12), selecting 2 channels, enable ascending output assignment, enabling clear existing channels and make default.

I just end up with surround channels. In the dropdown menu, I only see surround channels as options)...

I tried to create a brand new PT project, just in case it would be related to something in my existing project : it's the same.

Based on some excellent videos about NI in PT, everything seems straightforward, but this is not what I get.