I have seen this one a node of a cluster does not have the proper VCNS components installed or incorrect networking setup. I would check these first. You can check VCNS components by using vShield Manager and networking using host profiles.
Are you using VCNS Edge or VCNS App or Both?
Best regards, Edward L. Haletky VMware Communities User Moderator, VMware vExpert 2009, 2010, 2011,2012,2013,2014