What is the Operating System supported by ICINGA Server. Can we install ICINGA Server on Windows OS ?
Since you are most likely using icingaweb2 as a gui for your icinga2 server, these are the supported operating systems.
https://icinga.com/docs/icinga-web/latest/doc/02-Installation/
Debian Ubuntu Centos 7, RHEL, SLES, OpenSuse
Icinga2 Agent works on windows, but you cant install a icinga masternode on Windows