What does HRESULT 0x80042456 (VDS_E_LBN_REMAP_ENABLED_FLAG) mean?

 
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VDS_E_LBN_REMAP_ENABLED_FLAG

VDS_VF_LBN_REMAP_ENABLED is a provider capability flag for allowing dynamic relocation of a volume on disk. Microsoft documents it as unsupported for basic or Microsoft dynamic volumes and supported only by some third-party volume managers. This HRESULT therefore identifies a provider capability mismatch, not an invalid Boolean value or a damaged volume.

Why this state matters

Before setting volume flags, determine which VDS provider owns the volume and which storage model is in use. Copying a flag mask from a different provider or product can cause this error even when the volume itself is healthy. Do not replace the flag with HIDDEN, READONLY, or another attribute: those flags have different semantics and different scope rules.

Diagnostic focus

  • Capture the provider identity and the exact ulFlags mask supplied to SetFlags.
  • Confirm that the provider explicitly supports LBN remapping before requesting the flag.
  • Do not treat ordinary Microsoft basic/dynamic volume support as evidence that this third-party volume-manager feature exists.
  • Remove only the unsupported flag after verifying that the caller does not depend on relocation semantics.

Technical references

IVdsVolume::SetFlags · VDS_VOLUME_FLAG · IVdsVolume::ClearFlags · VDS common return codes · MS-VDS error codes


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