Nagios Support Forum

I have installed Nagios Core.

Suddenly i have started receiving the alert from one server for all the services.

No Data Received from the Host.

This is intermittent. This alert is coming and then getting cleared without any action being taken after some time.

Do let me know what could be reason for this error or how to identify the root cause ?

Anyone got a chance to look into the isssue

Can you share the configs for the services on this host?

Can you run the checks manually form the command line?