It does not work and has not worked since 8.20. VMware will not be doing any real work on this plug-in as it has become surplus to requirements from the position of tenants with the introduction of the H5 Tenant portal, and will become surplus with the finalization of System Admin H5 console
Tom Howarth VCP / VCAP / vExpert
VMware Communities User Moderator
Blog: http://www.planetvm.net
Contributing author on VMware vSphere and Virtual Infrastructure Security: Securing ESX and the Virtual Environment
Contributing author on VCP VMware Certified Professional on VSphere 4 Study Guide: Exam VCP-410