Veeam

Common Errors

Processing [SERVER NAME] Error: Incorrect function. Agent failed to process method {ReFs.SetFileIntegrity}.

Error: Incorrect function. Agent failed to process method {ReFs.SetFileIntegrity}.

Fix

Run this to disable fast clone:

New-ItemProperty -Path 'HKLM:\SOFTWARE\Veeam\Veeam Backup and Replication\' -Name 'UseCifsVirtualSynthetic' -Value '0' -PropertyType DWORD -Force

To undo fix:

Remove-ItemProperty -Path "HKLM:\SOFTWARE\Veeam\Veeam Backup and Replication\" -Name "UseCifsVirtualSynthetic"

Ref: https://www.veeam.com/kb4381