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NAKIVO - CBT data Cannot be Retrieved

After the initial full backup or replication, all consequent job runs are forever incremental. NAKIVO Backup & Replication relies on VMware CBT technology to quickly identify what data has changed since the last job run. If ESXi is unable to provide correct CBT data for a VM, the product uses a propitiatory technology to identify changed data.

Try resetting CBT by following the steps below:

1. Power off the VM.
2. Right click the VM, click “Edit settings”, find the “Options” tab and click “Configuration Parameters”
3. Set the “ctkEnabled” value to false.
4. Set the “scsi0:x.ctkEnabled” value to false for each disk of the VM in question.
5. Open the source folder and remove any -CTK.VMDK files.
6. Power on the VM.
7. Power off the VM again.  This step is needed to update the CTK table.
8. Power on the VM.
9. Rerun Backup or Replication job to re-enable CBT.

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