dell r620 windows 2k8r2 Microsoft SQL cluster :  issue:  when I install cluster enabler on my sql server and go to configure cluster enabler, the validation page comes back as failed with the message "no plugins installed on the node"  mscs is installed and running as well as solutions enabler 7.5.  any suggestions?

Actions so far include running cluster enabler again and uninstalling and reinstalling Cluster Enabler