This article describes how to back up a virtual machine using Acronis True Image Echo and VMware Consolidated Backup
Reboot the machine and repair the installation
Acronis True Image errors out with "Unable to create volume snapshot" when backing up volumes of over 4 TB in size in Linux
You are either trying to back up a free VMware ESXi using Acronis Agent for ESX/ESXi or you have not added a license to your paid version of VMware ESX/ESXi
Try disabling write caching for the USB drive to solve the issue
With the Enabled VSS support option Acronis True Image Echo errors out with the "Unable to create volume snapshot" error message when trying to backup a hard disk drive with EISA diagnostic partition
This has been fixed
Instructions on how to enable Microsoft native VSS instead of the default Acronis VSS in Acronis Backup & Recovery 10
Make sure the backup is run under administrator or that you back up without using VSS
Recovery points in Acronis vmProtect 7
Close all running programs, restart the product and try to run the backup plan again
Please contact Acronis Customer Central to get a special build with the timeout increased
How to create backup with these applications
Reinstall SnapAPI drivers to fix the issue
The issue has been fixed in update 6
Change the databases to Simple Recovery Mode
Backup fails with "Cannot continue backup. There is not enough free space on the drive where the snapshot cache file is located.". You can solve this issue by moving the destination for temporary file of snapshot.
Update to the latest build or turn on snapshotting for file backup
Description of the Acronis SnapAPI module
Activate Acronis VSS provider or turn off VSS entirely
Pre/post commands are executed before or after the whole backup process. Before/after data capture commands are executed during the backup process, right before and immediately after the snapshot
Instructions on how to enable Microsoft native VSS instead of the default Acronis VSS in Acronis Backup
You are running a single-pass backup of SQL instances that fails with the error. To fix this issue, re-register the VSS service
If there is not enough storage space to create the temporary snapshot file, the backup operation will fail with an error message similar to the following one:
Not enough storage is available to process this command
This article describes what this temporary file is and how to modify its size. For detailed description of the snapshot process, see SnapAPI.
This article describes what to do if after a backup failure the backed up virtual disks are left attached to Acronis Virtual Appliance
Backup with activated Volume Shadow Copy fails with the following error similar:
The backup has failed because 'VSS Writer' has failed during snapshot creation.
This error can be produced by different VSS writers, see some examples below:
All conditions must be true:
- Act! software and Microsoft SQL Server are installed
- Acronis True Image does not create a backup. If you click the red exclamation mark at the center of the backup screen, the following error message is displayed:
- Entire PC and disk/partition backups: Unable to create volume snapshot
- File and folder backup: Failed to backup file or folder
- The last modified log file at C:\ProgramData\Acronis\TrueImageHome\Logs\ti_demon contains the following text: VSS writer 'SqlServerWriter' with class ID 'A65FAA63-5EA8-4EBC-9DBD-A0C4DB26912A' has failed to process the snapshot
When backing up a network shared folder you get 'The credentials for network share are incorrect' error, even though you are able to access this share in Windows File Explorer using the same credentials.
Starting with build 6106 (Acronis True Image New Generation) and build 8029 (Acronis True Image Standard), Acronis implemented an additional setting for adjusting snapshot type.
Deactivate scoped snapshots for Hyper-V virtual machines.