Step 9 – Users not opting for wildcard SSL certificate can proceed by selecting the services from the list, which they plan to run using 'Ctrl + Click' to highlight the services. However, users opting for a Wildcard SSL certificate need to ignore this step.
In the screen appearing next, review the list of the names suggested by Exchange 2013 for you to include in your certificate request. Analyze the names and add any extra names by clicking on the '+' button.