Avamar: Windows Client Bare Metal Recovery fails with Firmware mismatch between source (UEFI) and target (BIOS) machines
Summary: Avamar: Windows Client Bare Metal Recovery (BMR) failed with error Firmware mismatch between source (UEFI) and target (BIOS) machines
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Symptoms
BMR restore gets failure with error 'Firmware mismatch between source (UEFI) and target (BIOS) machines:
Cause
Source (backup) contains UEFI boot firmware, however target (current machine) configured with BIOS boot firmware.
Avamar detects this mismatch between source and target boot firmware, so the PreRestore failed with error code : 0x8007065e, the BMR restore job is terminated.
Avamar detects this mismatch between source and target boot firmware, so the PreRestore failed with error code : 0x8007065e, the BMR restore job is terminated.
Resolution
As a workaround, shutdown the target VM, and change the boot firmware of that VM from BIOS to EFI, power on, and try the BMR restore:
Affected Products
AvamarProducts
Avamar, Avamar Client for WindowsArticle Properties
Article Number: 000059046
Article Type: Solution
Last Modified: 29 Jul 2025
Version: 4
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