Change the number of times that one or more users can try to take the exam associated with a course event.
Follow these steps to change the number of times a learner can take an exam:
1.Click on Administration on the Main Menu.
2.Click on the Courses tab. This is the default tab when entering the Administration area.
3.Click on the Active Events button 
for the course that has the event you want to view, and then click on the event link.
4.Click on the Lessons tab and then the Exam Attempts button.
5.Under Allowed Attempts, use the up and down arrows to change the number of attempts that the learner will have on the exam.
6.Click the Save Changes button when you are finished.
