What does NTSTATUS 0xC000CF12 (STATUS_CLOUD_FILE_UNSUCCESSFUL) mean?

 
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STATUS_CLOUD_FILE_NETWORK_UNAVAILABLE STATUS_CLOUD_FILE_NOT_UNDER_SYNC_ROOT

STATUS_CLOUD_FILE_UNSUCCESSFUL

This is an umbrella result, not a diagnosis. Its value is in preserving the exact operation context that should have produced a more specific reason: provider callback type, sync-root path, file identity, request key, transport result, and any provider-generated sync status.

Do not collapse all such failures into a generic retry loop. First inspect whether the provider supplied a file-level or root-level CF_SYNC_STATUS; the platform can retain that information and use it to construct a more actionable error message for a failed placeholder operation.

Useful checks

  • Log the callback or operation type and all opaque keys without attempting to interpret their bytes.
  • Store provider error context through the documented sync-status mechanism.
  • Use the next specific result from provider telemetry to choose retry, reauthentication, repair, or conflict handling.

Relevant documentation

  • CfExecute explains file-level sync status attached to provider operations.
  • CfReportSyncStatus documents root-level status used when a file-level status is unavailable.

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