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Error:

48686: Acronis True Image Errors Out with “Unable to create volume snapshot”

Symptoms

A backup attempt with Acronis True Image fails with the following error message:

Unable to create volume snapshot

Cause

The issue may have several causes and requires investigation.

 
Solution

First of all, please install the latest build.

Do the following if the issue still persists:

Set the status of Volume Shadow Copy and Microsoft Software Shadow Copy to Manual:

Start -> Run -> services.msc.
Locate Volume Shadow Copy and Microsoft Software Shadow Copy services, right-click and select Properties.
Set the startup type to Manual.
Restart the backup.

Alternatively, you can disable Volume Shadow Copy, if other programs do not require running VSS:

Start -> Run -> services.msc
Locate Volume Shadow Copy service, right-click and select Properties.
Set the startup type to Disabled.
Stop the service.
Restart the backup.