Aligning the program to the business requirements. IT value management is the process of planning, measuring, and optimizing the value delivered by IT to the business. Changing an IT value management program means introducing new or improved methods, tools, or practices to enhance the IT value management process. The best CSF for this change is to align the program to the business requirements, which means ensuring that the program supports the business strategy, goals, and needs, and delivers the expected benefits and outcomes to the business stakeholders12.
The other options are not as effective as aligning the program to the business requirements to use as a CSF for changing an IT value management program. Documenting the process for the board of directors' approval is a step that may be required for changing an IT value management program, but it does not guarantee that the program will be successful or effective. Adopting the program by using an incremental approach is a strategy that may help to implement the change more smoothly and gradually, but it does not ensure that the change will meet the business expectations or needs. Implementing the program through the enterprise's change plan is a tactic that may facilitate the coordination and communication of the change across the enterprise, but it does not ensure that the change will align with the business strategy or goals.
References: 1: IT Value Management - Compact3 2: 7 Rules for Demonstrating the Business Value of IT - Gartner