A mount point is a path to a volume that may or may not have a drive letter. On the Backup window, mount point volumes appear in the following format, where <volume_name> represents the operating system assigned name:
The following is an example mount point display:
To restore the contents of the mount point to the mount point volume, you must specify the mount point as a restore destination. You can also restore the contents of the mount point volume to a directory on another volume. The backup of the drive on which the volume is mounted will indicate the mount point, but will not contain the mounted volume’s data.
Restrictions. Restore of reparse points is not supported.