To get a free retake within our 60-day pass guarantee, please send a copy of the score report from the failed exam and a copy of the course completion letter you got when you completed your course to support@diontraining.com.


Please allow our team 24 hours to review the documents and process your retake voucher so you can then schedule a new exam.


Please take note that in order to take advantage of the free retake, you should have completed your course before you took the failed certification exam.