Running /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg Does not give any error. The output is Things look okay - No serious problems were detected during the pre-flight check

However when i try to do some configurations thru the xi interface, the configuration verification fails.

Configuration submitted for processing...
Waiting for configuration verification.......
Configuration verification failed.

Nagios is till able to monitor my services and hosts but i cant do any changes to the configuration using xi interface.

I took a look at the configuration Snapshots and saw that there was 40 over errors. I am very puzzled as to why it doesn't show when i run the sanity check (plus it is able to monitor those hosts that produced the error). Another thing to note : i am able to restart nagios. - doesn't this prove that there isnt any error? thus it could restart normally?


Try tuning your service timeout in your nagios.cfg, usually when I have large configs I get this error as a result of timeouts. I've had success bumping the default 60 (in R1.6) to 300.


The most likely causes are that

  • xi is not using /usr/local/nagios/etc/nagios.cfg as its initial config file
  • there is a permissions issue which allows you to read the the files from the command line, but which are not readable by the uid invoked via xi

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