Information
https://pubs.vmware.com/vsphere-51/topic/com.vmware.vmtools.install.doc/GUID-685722FA-9009-439C-9142-18A9E7C592EA.html
Solution
To implement the recommended configuration state, run the following PowerCLI
command-
# Add the setting to all VMs
Get-VM | New-AdvancedSetting -Name 'isolation.tools.ghi.trayicon.disable' -value $true
Impact-Some automated tools and process may cease to function.
Default Value-The prescribed state is not the default state.