Messaging Server provides a way to transparently monitor services and automatically restart them if they crash or become unresponsive (the services hangs or freeze up). It can monitor all message store, MTA, and MMP services including the IMAP, POP, HTTP, job controller, dispatcher, and MMP servers. It does not monitor other services such as SMS or TCP/SNMP servers. (TCP/SNMP is monitored by the job controller.) Refer to 4.5 Automatic Restart of Failed or Unresponsive Services and 27.8.9 Monitoring Using msprobe and watcher Functions.