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Acronis True Image 2018 consumes 4GB of disk space every time it runs

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Over the last few months I noticed that the free space on my C: drive gets reduced by about 4GB per week for about 3 weeks and then it gets freed-up.  Nothing I do during these weeks frees the space.  At first I thought that it might be windows that's downloading potential updates but that was not the case.  This sort of behavior seemed a bit strange, so today I noticed that this occurred after I started Acronis True Image to backup by C: drive.

I am running the latest version of Acronis True Image 2018 -  Update 4 - Build 12510, on Windows 10 Pro Version 1803 (OS Build 17314.254).

Does anyone have any idea about this behavior?

Thanks,

George

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George, welcome to these User Forums.

Have you tried to determine where this disk space usage is being taken on your hard disk?

I would suggest downloading a copy of TreeSize Free and using this to regularly check your C: drive for any larger disk space hogs.

I have not seen any similar reports like this in the forums.

Hi Steve,

Thanks for your help.  I downloaded, installed and ran TreeSize Free.   I noticed that the System Volume Information folder was using about 11.4 GB of the C: drive.  I then went to the System Protection section (Control Panel\System and Security\System) System Properties and noticed that I had for the C: drive the System Protection was enabled (ON).  Then clicked on the "Configure ..." button and noticed that the Max Usage was set to the entire size of the C Partition.  I must admit that I do not remember when/whether I had set that.  Regardless, I deleted all the restore points and it freed over 11 GB of space (I changed the Max Usage to 10% of the Partition Size, even though I doubt that I will use the Windows Restore feature because I use Acronis True Image for backup and restore). 

What I find interesting though (and that is what confused me regarding the loss of space on the C: drive) is that when I tried to free up space using the "Disk Cleanup" feature of windows, even though I selected to cleanup the "System Restore and Shadow Copies" as well, the space was not being freed.  I wonder if this is a windows bug (or rather "feature").

All said. now I know where to look at next time.

George               

George, thanks for the update, glad that TreeSize Free helped identify where the space was going. System Protection tends to be turned off by default by Microsoft these days so a little strange that yours was set to such a large volume.  ATI uses the System Volume Information folder storage space was creating / storing snapshot data when making backups, so this would add to that space usage too.

Hi Steve,

Thanks for the information.  I have a question (excuse the ignorance).  What does ATI do when System Protection is turned off for the C: drive and one tries to back it up?

TIA

George

George, System Protection, whether turned on or off, does not affect the ability of ATI to backup your drive C: 
When using the normal backup settings, ATI will store snapshot data in the same System Volume Information folders as used by System Protection.