There is no such option as "VBS" that Ican see in vSphere 6.7 Ibelieve this is actually an issue because of using old hardware in this case L5420 doesn't support Nested Virtualization I believe.
Hardware virtualization is selected and cannot be deselected due to selection of VBS
Insufficient resources to satisfy configured failover level for vSphere HA.........
#if you have nvidia make sure you install the nvidia-cuda-toolkit so hardware acceleration can be used
tar -jxvf ffmpeg-3.3.2.tar.bz2
install prefix /usr/local
source path ........
To activate your Windows server trial which gives you 180 days:
Start ->Right Click (My Computer).
Click "Activate Windows now"
To renew your license for 180 days (can be done 3 times):
Start -> Type this command:
Wait a few minutes until it says it is successful (unless you get that message it has not worked or been done)........