The SAP xserver fault monitor detects following faults:
Unavailability of SAP xserver. Unavailability of SAP xserver is also detected by the SAP liveCache fault monitor.
System errors. The SAP xserver fault monitor treats a system error as a partial failure.
Persistent system errors. A persistent system error is a system error that occurs four times within the retry interval. If a persistent system error occurs, the fault monitor restarts SAP xserver.