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Acronis TrueImage 2018: Delete Backup Version

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I'm trying to delete specific versions from incremental backups.

Help says  "Start your computer by using bootable media"

i.e.  I have to boot from Recovery-Disc in order to do a simple basic House-Keeping on my existing backups ?

Can't believe this ....

I used Acronis 2011 before and even this old version was able to do the job via the "normal" GUI

Does anybody know a more handy solution rather than booting from CD  ??

Any help highly appreciated !!

Best regard, Roland

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Roland, welcome to these public User Forums.

Not sure where the advice to boot from recovery media comes from but it doesn't help deal with the problem caused by manually deleting backup files, that information is left behind in the internal database used by ATI.

For ATI 2018, the process should be as follows:

  • Turn off Acronis Active Protection (if enabled) - this is needed to allow any .tib files to be deleted.
  • Open Explorer to the location where the .tib files are stored.
  • Delete the unwanted files.
    Note: only delete the most recent incremental files if removing these, i.e. do not delete incremental files from the middle of a backup chain as these will invalidate all subsequent files in that chain.  Deleting whole incremental backup chains should be fine.
  • Launch the main ATI 2018 GUI and perform a Validation for the backup task that created the deleted files.  This will pop-up an error message for each deleted file - take the Ignore option if offered, otherwise click on Cancel.  This will help to reconcile the information stored in the database with the actual state of files present on the storage drive.

Note: the recommended method of managing unwanted backup files is to use the 'Automatic cleanup' settings in the Backup Scheme page of options for the backup task.  
With ATI 2019 & later versions, a new 'Clean up versions' option was introduced to the Backup operations menu for tasks in the ATI GUI which makes all the above redundant!