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Snapshot creation fails

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Hi, 

we have a few backups running on different vaults (each using different hard drive). These backups were running just fine, but suddenly today all local backups (non cloud) failed with this error: 

Operation with partition '0-0' was terminated.
Details:
Failed to create volume snapshot.

    Error code: 0x70021
    $module = "disk_bundle_vs_43956"
    Tag: 0xA5695862AAF8E69E
Failed to start creating the volume snapshot.

    Error code: 0x10C442
    $module = "disk_bundle_vs_43956"
    Tag: 0x14181C22EF45B0F3
An error was detected in the Volume Shadow Copy Service (VSS). The problem occurred while trying to contact VSS writers. Verify that the Event System service and the VSS service are running and check for associated errors in the event logs.

    Error code: 0x9
    code = 2,147,754,776 (0x80042318),
    $module = "disk_bundle_vs_43956"
    Tag: 0x2AACB7B2AB852AC
Additional info: 
--------------------
Error code: 502
Module: 1
LineInfo: a164035b3ff39289
Fields:  $module : disk_bundle_vs_43956
Message: Operation with partition '0-0' was terminated.
Details:
Failed to create volume snapshot.

   

Now, I have checked accessibility of all drives that are connected to the corresponding vaults, and they are all accessible, so this is unlikely a hardware issue. 

Any help is appreciated

Thanks in advance

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Posts: 22
Comments: 3800

Hi Ankit,

The problem according to the log is related to Microsoft VSS snapshot processing. It makes sense first of all to reboot the machine which is being backed up (or Hyper-V host if it's a VM backup) and if this doesn't help then check Windows Event log for VSS-related events which should give the clues on what's going wrong. If nothing helps then contact our support team for further assistance.

Thank you.

--

Best regards,

Vasily

Acronis Virtualization Program Manager