from [https://exchange.nagios.org/directory/Plugins/Remote-Access/check\_x224/details](https://exchange.nagios.org/directory/Plugins/Remote-Access/check_x224/details) Use this Plugin to (active)-Check Remotedesktop Service from the checkmk site. and rebuild of this [https://exchange.checkmk.com/p/rdp](https://exchange.checkmk.com/p/rdp) this check does not require any nagios plugins and is compatible with checkmk 2.3 and the new check API.