HRESULT 0x8004281F (VDS_E_VOLUME_EXTEND_FVE

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The volume could not be extended because it is locked by BitLocker.  Unlock the volume and retry the operation.

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VDS_E_LUN_FAILED	VDS_E_VOLUME_EXTEND_FVE_CORRUPT

VDS_E_VOLUME_EXTEND_FVE_LOCKED

VDS_E_VOLUME_EXTEND_FVE_LOCKED means Virtual Disk Service cannot extend the volume while BitLocker locks it. Unlocking is only one prerequisite; the disk must also have a valid extendable layout.

What to check

Confirm the BitLocker state and unlock the intended data volume through an authorized method.
Verify that usable unallocated space exists in the required position on the disk.
After unlocking, review the current partition and file-system sizes before extending.

Get-BitLockerVolume
Get-Partition
Get-Volume

Virtual Disk Service is a legacy COM API. On Windows 8 and Windows Server 2012 and later, inspect and manage supported storage through the Storage Management API and the Storage PowerShell cmdlets.

Microsoft: Get-BitLockerVolume

Microsoft: Unlock-BitLocker

Microsoft: Get-Partition

Microsoft: VDS error codes

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