You can add SCSI controllers to an existing virtual machine by adding hard disks on unused SCSI Bus numbers.

Adding a new hard disk on an unused SCSI Bus number creates a new SCSI controller.

Power off the virtual machine.


Click Virtual Machines in the VMware Host Client inventory.


Right-click a virtual machine in the list and select Edit settings from the pop-up menu.


On the Virtual Hardware tab, select Add hard disk and select New hard disk from the drop-down menu.


Expand the hard disk to view all options.


In the Virtual Device Node section, select an unused SCSI Bus number from the drop-down menu.

For example, bus and device numbers 0:0 - 0:15 are used by the initial SCSI controller. The second SCSI controller uses bus and device numbers 1:0 - 1:15.


Click Save.

The new hard disk and new SCSI controller are simultaneously created.