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STATUS_VHD_COULD_NOT_COMPUTE_MINIMUM_VIRTUAL_SIZE
STATUS_VHD_COULD_NOT_COMPUTE_MINIMUM_VIRTUAL_SIZE means the provider cannot calculate the smallest safe virtual capacity for a shrink operation. That calculation depends on being able to understand relevant disk and partition information, so it can fail when required layout information is missing or inconsistent.
This is different from STATUS_VHD_RESIZE_WOULD_TRUNCATE_DATA, where a particular requested size is known to be unsafe. It also differs from STATUS_VHD_ALREADY_AT_OR_BELOW_MINIMUM_VIRTUAL_SIZE, which requires a successfully computed floor. Here the safe floor itself is unknown.
Do not substitute a guessed minimum
- Preserve the VHDX before altering its partition table or using a tool that rewrites guest structures.
- Check whether the disk was copied incompletely, contains damaged partition metadata, or is attached through a configuration that prevents inspection.
- Resolve the reason minimum size cannot be calculated before attempting an offline shrink or a conversion.
References
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