Backups failed with error "The shadow copy provider had an error"
ATI 2021 was preventing sleep so per instructions by Acronis support I reinstalled ATI 2021. That fixed the sleep problem. I added the previous backups to ATI.
The first couple nights the daily backup went OK. Unfortunately, on Monday morning I found a problem with the previous nights weekly backups. They both had failed with the error "The shadow copy provider had an error". I tried the backups manually but they both failed again.
I checked the settings and realized that when I set up ATI again I forgot to disable Active Protection. I then set Active Protection to "Protection is stopped permanently". Once I did that both backups completed OK.
I never trusted Active Protection so I now see why. Does anyone know why having Active Protection enabled caused the backups to fail?


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Quite strange actually. Active protection should not have any issue with snapshots.
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Edward, were there any system restarts or other major activity between turning off protection and successfully running the backups?
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BrunoC wrote:Edward, were there any system restarts or other major activity between turning off protection and successfully running the backups?
I really don't remember if I rebooted after disabling Active Protection. However, while Active Protection was enabled I rebooted several times without any change when ATI backup was failing. My computer backups have been working again. I have no plans to reenable Active Protection so I am not going to worry about that problem anymore.
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