Or on the agent side:
C:\Program Files (x86)\checkmk\service\check_mk_agent.exe test
Or in WATO/SETUP diagnostic page
Or telnet 6556 (if no encryption setup)
Or on the agent side:
C:\Program Files (x86)\checkmk\service\check_mk_agent.exe test
Or in WATO/SETUP diagnostic page
Or telnet 6556 (if no encryption setup)