Click List authorized users to display a list of users who are authorized for the service that has been selected in the list of services.
The service instance to be set up might have requirements on other services, supporting services. "Prepare updates" might have to be run for one or more supporting services.
You might not be authorized for all these services. When you click Prepare updates, the "Prepare updates" task is only run for the services that you are authorized for. You cannot begin with the next task, "Commit updates" until "Prepare updates" has been performed successfully for all service instances in the list.
The list of authorized users tells you whom you can contact to run "Prepare updates" for a particular service on your behalf.
This button is only available if you have selected a service in the list of services.
Related information: