62504: Acronis Cyber Backup 12.5: Backup of Hyper-V 2019 machine finishes with warning 'Catastrophic failure'

Also read in:

use Google Translate

Symptoms

1. You have Hyper-V 2019 environment with Acronis Cyber Backup Agent for Hyper-V installed,
2. Backup finishes with the following warning

'Windows error: (0x8000FFFF) Catastrophic failure'

 

Cause

Issue in the product.

Solution

This issue has been fixed in Update 4, please update to the latest build.

For earlier builds, this warning can be safely ignored as it does not affect the created backup.