Nagios Support Forum

2.9.1 is the latest release and it should be stable; at least I'm not aware of any issues. Do not use 2.9. 2.7 is more than 5-1/2 years old. If you want to use 2.7 use 2.7.2 The major improvement in 2.9.x is the amount of performance data that can be sent. It was too small in versions prior to 2.9 t...