What does NTSTATUS 0xC000CF18 (STATUS_CLOUD_FILE_ACCESS_DENIED) mean?

 
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STATUS_CLOUD_FILE_PROPERTY_CORRUPT STATUS_CLOUD_FILE_INCOMPATIBLE_HARDLINKS

STATUS_CLOUD_FILE_ACCESS_DENIED

This status is about local access to the sync root or placeholder. Cloud Files registration, connection, state updates, and pin changes each have documented access requirements. It is therefore distinct from a provider's remote-account authentication failure.

Identify the actual caller, token, target path, and API. A service account, shell extension, or helper process may not have the same rights as the interactive provider process. Change permissions only when the required local operation and security boundary are understood.

Useful checks

  • Confirm the caller's access to the sync root and the specific placeholder.
  • Separate local ACL/DAC failure from remote authorization or expired credentials.
  • Do not elevate every Cloud Files helper by default; grant the minimum access required for its documented API call.

Relevant documentation


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