Have you done below step on 2nd VM also
After the disk has been zero'd out go back into "Edit Settings" > click the new SCSI controller 1 and choose "Physical" Virtual disks can be shared between virtual machines on any server.
Have you done below step on 2nd VM also
After the disk has been zero'd out go back into "Edit Settings" > click the new SCSI controller 1 and choose "Physical" Virtual disks can be shared between virtual machines on any server.