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VDS_E_CLUSTER_COUNT_BEYOND_32BITS
VDS_E_CLUSTER_COUNT_BEYOND_32BITS is a format-geometry failure. The requested volume size and allocation-unit size would produce a cluster count that the formatting path represents with a 32-bit value, so the filesystem cannot be created with that combination.
Recalculate the filesystem geometry
- Record the exact volume size, filesystem type and requested allocation-unit size.
- Try the filesystem default allocation unit or a larger supported cluster size.
- Check filesystem-specific maximum volume and cluster-count limits before starting the asynchronous format.
This is not an indication that the disk has insufficient free space. Reducing the cluster size actually increases the number of clusters and can make the error more likely. A retry with identical parameters cannot help; the caller must change geometry or choose a filesystem whose limits fit the volume. Preserve the requested and effective sizes because VDS may round allocation parameters.
IVdsVolumeMF::Format · FormatEx2 · MS-VDS error codes
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