Hi Joshua,
1) You can try changing the profile parameter service/protectedwebmethods=DEFAULT in all the profiles. Then take the restart of sapstartsrv and sap systems.
2)
-----------------------< I311698 APR/02/2015 >--------------------------
Correcting issues during the Specify Authentication Mechanism Roadmap Step
If you encounter any issues during this roadmap step caused by an authentication error, the sapcontrol executable might not been properly set up.
For more information, see SAP Note 927637.
Thanks,
Mofizur