Not quite enough information to hazard any guesses as to why this may be the case, in general, there shouldn’t be an issue.

Have you called Sonos Support to discuss it?

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

Just to be sure, have you set it up correctly? 
 

Can I use Bluetooth as soon as I unbox Move 2?

Move 2 must first be set up on WiFi using the Sonos app. Following setup, you can easily pair a Bluetooth device by pressing the button on the back of the speaker.