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VDS_S_NONCONFORMANT_PARTITION_INFO
VDS_S_NONCONFORMANT_PARTITION_INFO This warning is specifically tied to dynamic-disk expectations. The partition information exists, but it does not conform to the layout VDS expects for a dynamic disk. That is different from simply having an MBR versus GPT disk and different from VDS_E_CORRUPT_PARTITION_INFO, which reports corrupted partition information outright.
What the VDS state means
Dynamic disks use Logical Disk Manager metadata and provider-maintained relationships between packs, volumes, plexes, and disk regions. A partition layout that conflicts with those expectations can make normal dynamic-disk assumptions unsafe. The warning should trigger comparison of partition records with the dynamic-disk topology rather than an automatic rewrite of the partition table.
Diagnostic focus
- Confirm that the disk is actually classified as dynamic and record its containing pack before interpreting the partition layout.
- Query disk extents and partition properties separately; look for regions or partition types that do not match the expected dynamic-disk organization.
- Preserve the disk and LDM metadata before using conversion, clean, or third-party partition tools that can further change the layout.
- If the disk was moved between systems or restored from an image, verify whether foreign-pack/import state explains the mismatch before attempting repair.
Technical references
MS-VDS error codes · VDS_DISK_PROP · IVdsAdvancedDisk · IVdsDisk::QueryExtents · Adding foreign disks to a pack
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