How often should an organization review its Deployment Management practices using the ITIL Maturity Model?

The frequency of reviewing Deployment Management practices using the ITIL Maturity Model is not prescribed as a fixed interval. It should be driven by the organization's specific context and needs. Factors influencing the review cadence include the rate of organizational change, the introduction of new technologies, outcomes from recent deployments, and strategic business objectives. A flexible approach aligns with the ITIL guiding principle of 'progress iteratively with feedback' and ensures that assessments provide timely and relevant value.

A. A monthly review is likely too frequent for a comprehensive maturity assessment and may not allow enough time for improvements to be embedded.
B. An annual review might be a reasonable default, but it is not a universal rule and may be too infrequent for dynamic environments.
C. A biennial review is generally too long a period between assessments, allowing significant process drift or missed improvement opportunities.

1. AXELOS. (2020). ITIL® 4: Continual Improvement. TSO (The Stationery Office). Section 4.1, "The ITIL continual improvement model". The model is presented as a cycle to be applied as needed, not on a rigid schedule. The text emphasizes that improvement should be embedded in the way people work.

2. AXELOS. (2020). ITIL® 4 Practitioner: Deployment Management. TSO (The Stationery Office). Section 4.4, "Practice success factors". It states that the practice must be "periodically reviewed and improved," without specifying a fixed frequency, implying it is based on need.