Before you take a proctored exam, make sure have approved ID verification photos on edX. You can check you ID verification status on your edX Dashboard. If your photos failed, expired, or if you have not yet completed ID verification, you can submit photos here. Photo verification may take up to 5 days to process, so please make sure to submit photos well before taking a graded proctored exam. Approved photos are required in order to complete proctoring.
This video guide covers the essential requirements for a successful proctored exam.