It is recommended that the scroll bar be set to 95% or less. If the scroll bar is set to All, this will require users to play the video to the end of its run time in order to earn completion credit for the course.
Some organizations have notifications for required resources enabled by default. If this describes your organization, please disregard this step.
For a brief video on this topic, please see Setting Up a Video Course.
Video - Frequently Asked Questions