Symptoms
Assume that a user selects the Meet Now option to create a meeting and then adds two other participants to the meeting in Microsoft Skype for Business 2016. When one of the invited users starts a video call, the Meet Now user escalates to the video conference but cannot see videos from the other two users.
Resolution
To fix this issue, install the April 4, 2017, update (KB3178717) for Skype for Business 2016.