The requirements specification for a new service management tool, especially one replacing an existing system, must be comprehensive. Option D is the best choice as it covers all critical areas from an ITIL perspective.

1. Utility, Warranty, and Service Acceptance Criteria (SAC): This correctly uses ITIL terminology to define what the tool must do (utility), how well it must do it (warranty), and the criteria to confirm it meets these requirements (SAC).

2. Data Migration and Integration: This is a crucial technical requirement when replacing an existing tool, as historical data must be preserved and the new tool must work with other corporate systems.

3. Licensing and Deployment Planning: This addresses the logistical and financial aspects of the rollout, considering the number of users and how they will access the tool.

4. Deployment and Training: This covers the implementation plan and, critically, the "training and education" needed for staff to use the tool effectively, which directly supports the scenario's goal of achieving a quick return on investment (ROI).

A: This option uses less precise terminology ("usability and functionality" instead of "utility and warranty") and omits critical requirements like data migration, integration, and service acceptance criteria.

B: While this option correctly identifies utility and warranty, it omits the crucial requirements for data migration and integration, which are essential for a tool replacement project.

C: This option correctly includes SAC but omits the vital requirement for integration with other tools and focuses on "documentation" rather than the more comprehensive "training and education" needed for rapid user adoption.

1. AXELOS, ITIL Service Design (2011 Edition). The Stationery Office, 2011.

Section 2.2.1, p. 14: Defines utility ('fitness for purpose') and warranty ('fitness for use') as the core components of value that a service (or supporting tool) must provide.

Section 3.1.4, p. 31: Lists the five aspects of service design, which include "The design of the management information systems and tools, especially the service portfolio and service catalogue," confirming that tool requirements are a formal part of service design.

Section 3.6.4.2, p. 77: Explains that Service Acceptance Criteria (SAC) are defined during service design to "ensure that all of the agreed service requirements have been met."

2. AXELOS, ITIL Service Transition (2011 Edition). The Stationery Office, 2011.

Section 4.2.4.3, p. 83: In the "Release and deployment planning" section, activities include planning for the "transfer, deployment, retirement and decommissioning of assets and service components," which encompasses data migration from the old tool.

Section 4.2.5.6, p. 88: Under "Release build and test," activities include the "development of documentation, work instructions and training," highlighting the importance of preparing users for the new tool to ensure a successful transition and quick ROI.