Hi,
For KNM 4.1 be a script Lua named MSCluster.lua.
I tried import on KNM 5.0 build 9977 and i recive only message "Failed to query WMI server".
After contacting Kaseya Support, they noticied this script is not supported by KNM 5.
http://blog.kaseya.com/blog/2012/04/05/monitoring-a-microsoft-failover-cluster/
You have a other mode to monitor a failover Cluster?