iso image and mount it on an additional virtual CD/DVD drive then boot the VM from your Windows installation media. The easiest method of loading this driver is to copy your drivers to a virtual floppy disk or. However, my domain controller was a VM on ESXi that required a 3rd party SCSi driver be loaded in order to view the OS drive/install. This process involves temporarily replacing the Utilman.exe executable on the system install drive with a copy of the cmd.exe file.
I recently found myself in the position of having to reset the Windows (2012 R2) domain admin password in a virtual (VMware) lab environment. TL:DR: Load any required Storage/RAID controller drivers before attempting to reset Windows password via the installation media in a VMware environment. ⚠ JavaScript is required to display code blocks properly.