Logout from your existing vSphere web client or vSphere-UI.
Remove the browser cache.
Remove the vSphere Client cached plug-in packages. For VCSA, Perform the following:
1. SSH into the VCSA appliance.
2. Stop the VMware vSphere Client service: service-control --stop vsphere-ui
3. Change directories to the vCenter client UI extensions directory: cd /etc/vmware/vsphere-ui/vc-packages/vsphere-client-serenity
4. Remove the cached plug-in packages specific to Fujitsu using the rm -rf commands:
  
  rm -rf com.fujitsu.nvpf.webclient-*
  
  rm -rf com.netapp.vasa.vvol.webclient-*
  
  rm -rf com.fujitsu.vsch5-*
5. Start the VMware vSphere Client service: service-control --start vsphere-ui