@xhakxh wrote: Isn't this about VMware Workstation Pro 7?
Indeed . . . but its the VM which gets encrypted, not the operating system it contains per say.
@xhakxh wrote: Is there no published information?
Unfortunately, I to was unable to locate any relevant up-to-date detailed documentation regards this. But, you have to bear in mind that its a 'rather specific feature', originally I suspect, aimed at a core group of particular customers, and therefore may not have justified any further attention.