When in Z/OS 2.4 the IBM Product Registration Service is enabled, it could happen that starting OPSMVS main task, it abends with the following message:
OPS9503E IFAEDREG Base failed, RC=4, detected at OPINAS+X'0024A62A'
How to recover this situation?
Component : OPS/MVS
OPS/MVS definitely checks the return code from the IBM Product Registration Service, when enabled and terminates if the value is non-zero.
Based on that, to solve the initial error OPS9503E, it is necessary to add the following definition for OPSMVS in SYS1.PARMLIB member IFAPRDxx :
VERSION(*) RELEASE(*) MOD(*)