The correct answer is D. Identifying and making request for outstanding payments for the service. This is because the service provider should ensure that the financial obligations of the customer are fulfilled before the service is terminated. The service provider should also update the billing and accounting records, and close any open invoices or disputes related to the service12.

A. Ensuring that user access rights are revoked for all services is not the correct answer, because the service provider should only revoke the user access rights for the service that is being retired, not for all services. The service provider should also ensure that the customer data and assets related to the service are securely deleted or transferred, and that the service provider staff are reassigned or released12.

B. Providing information to users about how to contact the service desk is not the correct answer, because the service desk is not relevant for the service that is being retired. The service provider should provide information to users about how to access alternative or replacement services, if any, and how to provide feedback or complaints about the service retirement process12.

C. Creating training schedules for users on how to use the service is not the correct answer, because the service is being retired, not introduced. The service provider should not invest any resources or efforts in training users on how to use a service that will no longer be available. The service provider should instead focus on communicatingthe service retirement plan and timeline, and managing the expectations and emotions of the users12. References:

ITIL 4 Managing Professional Transition Module Sample Paper - English, page 10, question 3, answer D

ITIL 4 Managing Professional Transition Module Candidate Syllabus - English, page 11, learning outcome 1.5