I don't recall this, and I do recall running something like "diskcopy A: A:" to do that operation.
phantom drive B is explicitly mentioned in https://en.wikipedia.org/wiki/Drive_letter_assignment#Order_...
the linked source checks out. diskcopy will also do this for you if you give it source = dest.
phantom drive B is explicitly mentioned in https://en.wikipedia.org/wiki/Drive_letter_assignment#Order_...
the linked source checks out. diskcopy will also do this for you if you give it source = dest.