Nagios Support Forum

You do not need to enable volatility to run an event handler, you might be getting hung up on the last point of service volatility which is, if the service is checked, and it is in a hard non-OK state it will run your supplied event handler, this can be useful depending on what you have set up as an event handler:

http://nagios.sourceforge.net/docs/3_0/ ... vices.html

Thank you very much for all reply.
I understand complety the tab check_settings.

Regards.
Thanks for your time.