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STATUS_WOF_WIM_HEADER_CORRUPT
The WIM backing image header cannot be trusted
WOF can expose externally backed files whose content is supplied from a Windows Imaging Format image. The WIM header identifies the image and locates core metadata needed to interpret its resources. This status means the header failed structural or consistency checks, so WOF cannot safely resolve file content from that backing source.
The visible stub file can be intact while the external WIM is damaged, replaced, truncated, or from an unexpected image. Repairing only the stub or changing its ACL does not restore the backing data. Evidence should include the registered overlay entry, WIM path, GUID, image index, file size, and storage-health events.
What to inspect
- Enumerate the active WIM overlay entry and confirm the expected WIM file, GUID, data-source ID, and image index.
- Compare the WIM against a trusted deployment source or component-store repair source.
- Check disk, transport, and servicing logs for truncation or replacement of the backing image.
- Avoid editing WIM header fields manually; replace or repair the image through supported servicing tools.
References
- Microsoft Open Specifications: NTSTATUS values
- Microsoft: WOF compressed data explained
- Microsoft: FSCTL_ADD_OVERLAY
- Microsoft: WIM_PROVIDER_OVERLAY_ENTRY
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