I believe this occurs as the backup is taken with all the amount facts but as You need to use initialized disks a number of KBytes are by now utilized up and Acronis is too Silly to view this and adequately take care of it. Acronis True Image Subscriptions https://johnathanomzd578012.blogsmine.com/16970536/acronis-true-image-2021-things-to-know-before-you-buy