MPIO-DSM Active/Non optimized

Hi,

I've juste installed MPIO (Round Robin) et DSM on my WS2012R2 for an Hyper-V cluster. 

Thanks to these videos : 

https://www.youtube.com/watch?v=vVAir7tUZK8

https://www.youtube.com/watch?v=uLMknaRoYg0

But when I check the DSM Management MMC, I don't know why the state is "Active/Non Optimized".

Regards.