Library /sys$common/syshlp/ncphelp.hlb SET, LOGGING, STATE component-state  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Specifies the operational state of the logging component or all known
 logging components. There are three possible component states:

   HOLD    The logging component is temporarily unavailable and events
           should be queued.

   OFF     The logging component is unavailable for receiving events.

   ON      The logging component is available for receiving events.