VSTS 2015 Current user-issues in using features of VSTS 2015 : Issues using features of VSTS 2015 where if two users are connected to same VM(work station) concurrently and trying to access Visual studio 2015 (work station Name : DevBOX).

could you please explain that if 2 users are accessing same VM concurrently and trying to access Visual studio 2015 at same time with single license how it really works?