60507: Acronis Cyber Backup 12.5: backup of a VM on Windows Server 2008 fails with "Failed to obtain property 'AllowMacSpoofing'"

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Symptoms

You have Windows Server 2008 with Hyper-V role. In VM configuration in Hyper-V manager, you have specified a static MAC address.

Backup of this VM fails with:

Error code: 1011
Module: 20
LineInfo: 0xC523D9A02D03D748
Fields: {"$module":"hv_srv_vsa64_7641"}
Message: Failed to obtain property 'AllowMacSpoofing'.

Cause

Issue in the product.

Solution

The issue has been fixed in Update 2 of Acronis Cyber Backup 12.5. Please update the product to the latest build.

As workaround, please install Agent for Windows/Linux inside the guest operating system of the VM; see details here.

More information

The issue does not affect Windows Server 2008 R2.