OPERATIONAL DEFECT DATABASE
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A Backup or Backup Copy job fails with the following error message: Error: Incorrect function. Agent failed to process method {ReFs.SetFileIntegrity}.
This error occurs when Veeam Backup & Replication believes that the repository the job is attempting to use is compatible with Fast Clone functionality when, in fact, the underlying storage is not compatible.
This issue has been observed to occur under two different scenarios:
The registry value below is being documented on this KB as it is often found when researching the error message "Agent failed to process method {ReFs.SetFileIntegrity}." The intent of documenting it here is not to endorse its usage but to clarify its purpose and prevent misuse.
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