Nagios Support Forum

I am a beginner in nagios core, I installed nagios core in a pc with ubuntu 22.04 and in a pc with windows server I installed NSclient++ and then in the windows.cfg file I added the ip of the windows server but these services are in unknown and I can't solve it.

I installed nagios, added a windows server and on the windows server I installed Nsclient++ but I still have Drive space, explore, memory usage and W3SVC as unknown and when I run the nrpe with the ip I get this error Check_NRPE: (ssl_err != 5) Error - could not complete SSL hadnshake with