Symptoms
- You are backing up Hyper-V virtual machine with the option Application-aware backup enabled.
- Operating system of the Virtual machine is Windows Server 2022
- Backup fails with "Internal error: Unsuccessful response code '7' of action request."
Cause
Application-aware backup of Windows Server 2022 on Hyper-V is not supported in the current product version.
It will be implemented in one of the future releases.
Workaround
Install agent for application inside the virtual machine.
To learn more about installing Agents locally see product documentation.