The system could not notify the subsystems about service processor failure.
The system continues running in degraded mode to allow for an orderly shutdown.
Perform an orderly shutdown of the subsystems and of MVS™.
Determine why the Subsystem Interface (SSI) was unable to notify the subsystems about the failure.
Otherwise, search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center.
Service Processor Interface
ISNDAMAG
2,10
4