To resolve this issue:
vCenter Server Release Version | Download URLs |
vCenter Server 6.0 Update 3c | http://vsphereclient.vmware.com/vsphereclient/VMware-ClientIntegrationPlugin-6.0.0-6823256.zip |
vCenter Server 5.5 Update 3e | http://vsphereclient.vmware.com/vsphereclient/VMware-ClientIntegrationPlugin-5.6.0.zip |