 Some mainframe users have latent problems with their WLM goal settings which are only exposed with HiperDispatch, so there is an option to disable HiperDispatch in those cases where mainframe users do not want to correct those issues right away.However, regardless of whether HiperDispatch is on or off, it's important for installations to maintain their WLM policy.z/OS System Resource Manager (SRM) 
To configure z/OS System Resource Manager, modify Parmlib-Member IEAOPTxx