TeraByte Unlimited

Just for the heck of it I added /ckfs to my backup command. Surprisingly, to me at least, the backup failed with the message

File System Check failed on Windows.
1 - NTFS - ERROR_VOL_BITMAP_OR_ATTR_INVALID

Any idea how to fix whatever is wrong?

That option has to deal with resize after restore, the help has details. That particular error is probably not enough to stop a resize, but decided to report it anyway.