Compressing rate is gray
I have Acronis True Image 2017 Voll Version. In the Backup-Options i carnt change the Compressing Rate. Its gray and not selectabel. That can be the reason ?
Welcome to these User Forums.
The Compression setting is only available for new backup tasks and cannot be changed after a task has been used to create a backup.
See the ATIH 2017 User Guide: Compression Level where it states:
You cannot set or change the compression level for a pre-existing backup.