“Following the successful full launch of the new and updated ITIL® 4, AXELOS has taken the decision to discontinue the previous version of the world’s leading certification in IT service management, ITIL v3, by the end of 2021. (…) The confirmed dates for discontinuing ITIL v3 are as follows“… https://www.axelos.com/news/axelos-announces-discontinuation-of-itil-v3
ITILv3 – The Service Lifecycle
