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What does HRESULT 0x8004255A (VDS_E_DISK_REMOVEABLE) mean?

 
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VDS_E_DISK_NOT_CONVERTIBLE VDS_E_DISK_REMOVEABLE_NOT_EMPTY

VDS_E_DISK_REMOVEABLE

This status is a media-capability boundary. VDS exposes removable storage through distinct behavior and, for some operations, explicitly documents that removable devices are unsupported. A device being writable or presenting a drive letter does not make it equivalent to a fixed basic disk for partition management.

Why this state matters

Check the disk properties and the exact VDS method that failed. For example, partition attribute changes are unsupported when the disk is removable, and historical VDS versions also restrict cleaning removable devices. Do not work around the HRESULT by reclassifying the device in application code; use an API path that is documented for that media class or treat the operation as unavailable.

Diagnostic focus

Technical references

VDS_DISK_PROP · IVdsAdvancedDisk · IVdsAdvancedDisk::ChangeAttributes · IVdsAdvancedDisk::Clean · VDS Disk Object


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