VxRail: Quiescing Snapshots Failing with Custom Quiesce Script Failed Error

The guest OS has reported an error during quiescing.

The error code was: 2
The error message was: Custom quiesce script failed
An error occurred while saving the snapshot: Failed to quiesce the virtual machine.

2025-03-25T05:30:21.089Z In(05)+ vmx - The error message was: 'VssSyncStart' operation failed: The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. (0x80070422) 2025-03-25T21:55:50.072Z In(05)+ vmx - The error message was: 'VssSyncStart' operation failed: IDispatch error #8454 (0x80042306) 2025-03-25T22:07:19.477Z In(05)+ vmx - The error message was: 'VssSyncStart' operation failed: IDispatch error #8454 (0x80042306) 2025-03-27T21:33:16.379Z In(05)+ vmx - The error message was: 'VssSyncStart' operation failed: The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. (0x80070422)

Here are some steps to follow to troubleshoot this error:

• Verify that the VMware Tools version is up to date.
• Check the event logs for any errors related to the quiescing process. In this case, the event logs do not show any errors.
• Verify that the Volume Shadow Copy Service (VSS) is enabled and running on the guest OS. The error message 'VssSyncStart' operation failed indicates that the VSS service is not running or is disabled.
• Enable and start the VSS service on the guest OS.
• Verify that the custom quiesce script is correctly configured and running. The error message 'Custom quiesce script failed' indicates that the script is not running or is failing.
• Verify that the VMware Tools are correctly configured and running. The error message 'The service cannot be started, either because it is disabled or because it has no enabled devices associated with it' indicates that the VMware Tools are not running or are not configured correctly.
• Check the VMware Tools configuration and correct any issues if necessary.

# Example of a command to check the VSS service status
vssadmin list providers

# Example of a command to start the VSS service
net start vss

# Example of a command to check the VMware Tools configuration
vmware-toolbox-cmd -v

This issue occurs due to a misconfigured custom script.

To resolve this issue, rename the backupScripts.d folder so that the custom script is not used.

1. Log in to the Windows virtual machine that is experiencing the issue.
2. Go to C:\Program Files\VMware\VMware Tools.
3. Rename the backupscripts.d folder to backupscripts.old.
4. Start Volume Shadow Copy Service (VSS)
5. Try a snapshot again.

See Broadcom KB Attempting to create a quiesced snapshot of a Windows virtual machine fails with the error: 'VmBackupOnThaw' operation failed