NVP vProxy: VM Backup fails with "snapshot has already been deleted or has not been completely created"

Summary: Virtual Machine (VM) Backup fails with "snapshot has already been deleted or has not been completely created"

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Symptoms

  • VM backups performed with the NetWorker VMware Protection (NVP) vProxy appliance report the following error:
YYYY-MM-DDTHH:mm:SSZ ERROR: Request to remove snapshot 'snapshot-#####' on VM 'VM_NAME' was rejected by vCenter 'VCENTER_NAME': ServerFaultCode: The object 'vim.vm.Snapshot:snapshot-#####' has already been deleted or has not been completely created

Cause

There were old snapshot files in the datastore for this VM.

Resolution

The ProxyHC utility can be used to clean up left over disks and snapshots. 

 
To perform manual cleanup in VMware, perform the following:
  1. Log in to the vSphere web client.
  2. Right-click the VM and select Snapshots->Delete All Snapshots.
  3. Right-click the VM and select Snapshots->Consolidate.
  4. Select the Datastores tab and browse to the directory for the VM, check for any snapshot files. If any snapshot files reside here, delete them.
  5. If no snapshots are found but the issue persists attempt to create a snapshot from VMware.
NOTE: If the VM is performing app-consistent backups (MSVMAPPAGENT) perform a quiesced snapshot; otherwise, perform a non-quiesced snapshot.
  1. Repeat steps 2-4 to ensure that the snapshot files are removed.
  2. Run a backup.
NOTE: At the start of VM backups, the vProxy requests the vCenter create a snapshot for the VM. A request is sent at the end of the backup to remove the snapshot. The vCenter server creates, manages, and deletes the snapshot files. Contact VMware support regarding any issues observed regarding VMware snapshot issues.

Additional Information

NVP vProxy: Troubleshooting VMware Snapshot Issues during NetWorker backups.

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Властивості статті
Article Number: 000172495
Article Type: Solution
Востаннє змінено: 28 трав. 2025
Version:  4
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