For the Mobile Rest Service, the user could not register the server user on an elevated console by running the command:
netsh http add urlacl url=Protocol://+:Port/ user=ServerUser
This is due to sharing of the same port with other APM Services. Change the port for the Mobile Rest Service only, leaving the other APM Services to run on the initially selected port.
Change the port for the Mobile Rest Service only, leaving all other APM Services to run on the initially selected port. From the cmmd prompt run the command to register the Mobile Rest Server User for the new port.
See the "Setting up the Server for APM Mobile Applications" section of the installation guide for more detailed instructions.