Final answer:
End users with project management experience are not a requirement for successful project management. The key elements include good planning, a skilled project manager, good communication, and resources. Stakeholder buy-in is essential, but their project management knowledge isn't.
Step-by-step explanation:
The component not required for successful project management is end users with project management experience. While effective participation of stakeholders is essential, it does not necessitate that end users have expertise in project management. What is critical for a project's success is good planning, a skilled project manager, good communication, as well as required resources and commitment to complete the project. This aligns with historical evidence showing that while good engineering and resources are crucial, the need for end users to have project management skills is not mentioned as a requirement. Thus, the correct answer is option 4: end users with project management experience.
Successful project management relies heavily on strategic planning, efficient resource allocation, and transparent communication amongst the team and stakeholders. A skilled project manager facilitates these elements and steers the project towards its goals. Buy-in from stakeholders is necessary for smooth project execution, but this does not imply they must be seasoned in project management techniques themselves. Rather, their insight and support are valuable for the team's understanding of user needs and for ensuring project success.