"This Knowledge Base article provides information about how to enable server-certificate (SSL) verification on Virtual Infrastructure Clients (VI Clients) after installing VirtualCenter 2.0.1 Patch 1 (Build 33643) or VirtualCenter 1.4.1 Patch 1 (Build 33425)."
http://kb.vmware.com/vmtnkb/search.do?cmd=displayKC&docType=kc&externalId=4646606&sliceId=SAL_Public