What does HRESULT 0x80270263 (E_SKYDRIVE_FILE_NOT_UPLOADED) mean?

E_SKYDRIVE_FILE_NOT_UPLOADED

The scope of E_SKYDRIVE_FILE_NOT_UPLOADED is Windows cloud-file and sync-engine infrastructure: an action required remote availability before the pending upload completed. Preserve 0x80270263 beside the returning call before cleanup or retry creates a more generic secondary failure.

Read the boundary first

When E_SKYDRIVE_FILE_NOT_UPLOADED is returned, a Windows sync engine coordinates local NTFS objects, provider metadata, remote identifiers, quota and naming rules, placeholder hydration, network authentication, and asynchronous upload or download state. During a E_SKYDRIVE_FILE_NOT_UPLOADED investigation, the same Explorer action can cross several of those boundaries, so diagnosis must retain the first failing stage rather than treating every code as a generic connectivity problem.

During a E_SKYDRIVE_FILE_NOT_UPLOADED investigation, local existence does not imply the service has a committed remote version. For E_SKYDRIVE_FILE_NOT_UPLOADED, operations such as sharing or changing remote availability can race an upload that is queued, transferring, conflicted, or blocked.

For E_SKYDRIVE_FILE_NOT_UPLOADED, the first owner to inspect is the local sync root, placeholder state, file-system operation, provider request, network exchange, account policy, or remote storage operation that produced the HRESULT.

Keep neighboring conditions separate

When E_SKYDRIVE_FILE_NOT_UPLOADED is returned, E_SYNCENGINE_FILE_IDENTIFIER_UNKNOWN means the mapping cannot be found; FILE_NOT_UPLOADED can be a known local item with no committed upload.

For E_SKYDRIVE_FILE_NOT_UPLOADED, do not fabricate a remote URL or treat local close as upload completion.

Incident record for this HRESULT

Reproduce without destroying evidence

For E_SKYDRIVE_FILE_NOT_UPLOADED, the investigation should change one variable at a time and keep the original failing sample.

1. First: Wait for a committed remote identifier.
2. Next: Surface progress rather than repeating the action.
3. Then: Resolve upload conflict or block first.
4. Finally: Verify the remote version before dependent operations.

Three useful controls

• Second supported path for the same stable item: For E_SKYDRIVE_FILE_NOT_UPLOADED, a changed result separates retained object, connection, path, host, or device state from the original input. Hold constant: For E_SKYDRIVE_FILE_NOT_UPLOADED, keep account, remote item version, and client build fixed.
• Reduced failing operation: If E_SKYDRIVE_FILE_NOT_UPLOADED follows the reduced step, the rejecting transition is localized. Hold constant: For E_SKYDRIVE_FILE_NOT_UPLOADED, retain local file identity and version and remove only unrelated work.
• Targeted corrective control: Use this as a diagnostic branch rather than a blanket workaround: wait for a committed remote identifier. Hold constant: For E_SKYDRIVE_FILE_NOT_UPLOADED, keep the original E_SKYDRIVE_FILE_NOT_UPLOADED sample available for the final regression test.

Definition of done

Closure for E_SKYDRIVE_FILE_NOT_UPLOADED requires the dependent action runs only after the exact local version is committed remotely; then repeat the next lifecycle operation to detect stale state.

Technical references

The references below define the API family or storage/protocol behavior used to interpret E_SKYDRIVE_FILE_NOT_UPLOADED.

• For E_SKYDRIVE_FILE_NOT_UPLOADED: Microsoft: Build a Cloud Files sync engine
• Microsoft: Cloud Filter API reference
• Microsoft: Determine cloud placeholder state
• Microsoft: Restrictions and limitations in OneDrive and SharePoint

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