Disables the specified secondary virtual machine in this fault tolerant group.
The specified secondary will not be automatically started on a subsequent
power-on of the primary virtual machine.
This operation could leave the primary virtual machine in a non-fault
The secondary virtual machine specified will be disabed.
This field must specify a secondary virtual machine that is part of the fault
tolerant group that this virtual machine is currently associated with. It can
only be invoked from the primary virtual machine in the group.