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STATUS_VIRTDISK_PROVIDER_NOT_FOUND
The virtual disk stack could not select a provider
STATUS_VIRTDISK_PROVIDER_NOT_FOUND is raised before a disk image is attached. The virtual-disk API chooses a provider from the requested VIRTUAL_STORAGE_TYPE; an ordinary path or a familiar filename suffix does not by itself create a usable VHD, VHDX, ISO, or provider-specific disk object.
Treat the error as a format-and-provider selection failure. It is different from an existing VHDX that is temporarily busy, and different from a valid provider that rejects an operation because the image is in the wrong state. The exact storage type, vendor identifier, requested access mask, and file location are the useful evidence.
What to verify
- Log the complete
VIRTUAL_STORAGE_TYPE, the access mask, flags, and the precise file that was passed toOpenVirtualDisk. - Verify the backing object with a format-aware tool before attempting an attach; do not infer its type from the extension alone.
- Keep provider-discovery failures separate from
STATUS_VIRTDISK_NOT_VIRTUAL_DISK, which means an opened object is not recognized as a virtual disk.
References
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