With vSphere 5.x, virtual machines can be configured to use a space
efficient disk format that supports reclamation of unused disk space
(such as deleted files). This option reclaims unused disk space on each
virtual machine. The operation is initiated when an estimate of used
disk space exceeds the specified threshold. vSphere 5.1 Patch1 or later
is required for this option. Note(s) :-
- For Instant clone desktops, this setting can only be set to false.
This property has a default value of