Steve,

Yes I am certain I defined the host. I think the issue was caused because I basically did a cut and paste from the host file on the distributed server to the central server. I remarked out the ip of the box IVAN (as well as many others) in the host file afterward and I think these messages went away. Also I disabled host checking on the central box because none of the monitored hosts are accessable on the local network.

I am not sure this was the correct way to get rid of this warning but I am still working on it. :)

Thanks
Brady

Steve Shipway wrote:
[1139251531] EXTERNAL COMMAND: PROCESS_HOST_CHECK_RESULT;IVAN;0;0
[1139251531] Warning: Passive check result was received for host 'IVAN', but the host could not be found!

This message means that Nagios cannot find a host called 'IVAN' in the
definitions.

Are you 100% sure you have defined this host, on the server which is
receiving the NSCA alerts and producing this log (the central server)?  Have
you defined it in all upper case, like the NSCA alert is being received?
It's case sensitive, remember.  Nagios will not automatically define a host
just because it is defined on a downstream server, so you have to define it
on both servers.

Steve





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