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STATUS_VHD_MISSING_CHANGE_TRACKING_INFORMATION
STATUS_VHD_MISSING_CHANGE_TRACKING_INFORMATION means the provider cannot supply the change-tracking information required for the requested baseline or range. It is not a statement that normal read access to every virtual sector has failed.
This differs from STATUS_VHD_CHANGE_TRACKING_DISABLED, which says the feature is off, and from STATUS_VHD_INVALID_CHANGE_TRACKING_ID, which rejects the identifier itself. Missing information is a data-availability problem for the incremental-change request.
Decide whether a new baseline is required
- Record the requested identifier, source and destination backup points, and any merge, restore or conversion that occurred since the baseline was created.
- Avoid assuming that a partial delta set can be safely substituted with a guessed range list.
- Use the backup or replication product's documented fallback to a fresh baseline when the required change history is unavailable.
References
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