That did the trick, thank you very much! It's all about the "!" (exclude) thing, use_true_regexp_matching is not necessary. David <div class="gmail_quote">On Thu, Feb 26, 2009 at 7:31 PM, Marc Powell <<a href="mailto:marc@ena.com">marc@ena.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d"> On Feb 26, 2009, at 12:17 PM, David Fontaine wrote: > Now, the question is : how do I apply the notification period to the > service, but for only that one host ? > > Maybe I have to create a service for each host, so that I can > specify different time periods for each service. There must be a way > but I can't figure it out. I tried to define the same service on the > host I would like not to receive notifications for, but Nagios > complains about duplicates. </div>Untested but I would try defining the specific service with the special time_period as you do above when nagios complained about duplicates and at the same time, change your more general definition to exclude that host. You must have use_true_regexp_matching enabled I believe. <div class="Ih2E3d"> define service{ use generic-service hostgroup_name linux-servers </div> host_name !myspecialhost <div class="Ih2E3d"> service_description Time check_command check_time!public } </div>-- Marc ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD <a href="http://p.sf.net/sfu/XcvMzF8H" target="_blank">http://p.sf.net/sfu/XcvMzF8H</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>