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STATUS_VHD_PARENT_VHD_ACCESS_DENIED
STATUS_VHD_PARENT_VHD_ACCESS_DENIED means the differencing child can identify its required parent, but the process or host cannot obtain the access required to open that parent. The chain is therefore unavailable even though the parent path may exist.
This is not STATUS_VHD_PARENT_VHD_NOT_FOUND: path resolution succeeded far enough to identify a parent object. It also is not a child/parent identity mismatch, which requires a readable candidate parent whose metadata conflicts with the child record.
Diagnose the exact access boundary
- Record the account, Hyper-V host, share or volume path and operation that attempted to open the parent.
- Check access rights, encryption or backup-system locks without moving, renaming or replacing the parent file.
- Confirm that all hosts using the chain see the intended location; an accessible path on one host can be unavailable on another.
References
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