Troubleshooting Guide: Incremental Backup Failures Post VStorage Motion Errors

Troubleshooting Guide: Incremental Backup Failures Post VStorage Motion Errors

KB ID: 59
Cause:
This error affects incremental backups of virtual machines, particularly those relying on Changed Block Tracking (CBT) running on ESXi 5.x hosts.
Solution:
To resolve this issue for an impacted virtual machine, follow these steps:
1. Shut down the virtual machine.
2. Remove any existing snapshots associated with the virtual machine.
3. Disable CBT for the virtual machine.
4. Remove or rename any files with the *-ctk.vmdk extension in the virtual machine directory.
5. Re-enable CBT for the virtual machine.
6. Power on the virtual machine.
7. Ensure that the virtual machine is not migrated using Storage vMotion or Storage DRS.
For detailed information and further assistance, refer to the VMware KB article: Incremental Backups Fail After VStorage Motion

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