Troubleshooting Configuration File Access Error during Backup on Windows 2016 Hyper-V Upgrade

Configuration File Access Error during Backup: Windows 2016 Hyper-V Upgrade

KB ID: 104050
Issue:
Encountering an error while attempting to access the configuration file for backup operations.
Cause:
This error arises due to a configuration file mismatch in guest VM(s) during migration from Windows 2012 R2 or other versions to Windows 2016 Hyper-V host and newer version.
Solution:
To address this issue, follow these steps to ensure smooth backup operations for the affected guest VM(s):
1. Shut down the virtual machine using the Hyper-V Manager.
2. Right-click on the specific VM and select "Upgrade Configuration Version."
Note: If this option is not available for the VM, it is already at the highest configuration version supported by the Hyper-V host.
3. After upgrading the VM configuration version, power on the VM and initiate the backup process.
If the problem persists despite completing the above steps, kindly contact our support team at vembu-support@vembu.com for further assistance. Our experts are here to help you resolve the issue promptly.

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