HRESULT 0x80310027 (FVE_E_FAILED_AUTHENTICATION): meaning

Status / error code:

Category:

Constant name:

Source:

Facility:

Operating System:

Description:

The supplied BitLocker unlock protector did not authenticate the encrypted volume.

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FVE_E_FAILED_SECTOR_SIZE	FVE_E_NOT_OS_VOLUME

FVE_E_FAILED_AUTHENTICATION

FVE_E_FAILED_AUTHENTICATION means that BitLocker could not unlock the drive with the key material that was supplied. The cause can be a wrong recovery password, a mismatched key protector, or a recovery method that does not belong to this volume.

How to investigate

Match the recovery key ID shown by BitLocker to the recovery information stored for the affected volume before entering a recovery password.
Distinguish a 48-digit recovery password from a startup or recovery key file; they are different protector types.
Use only a verified recovery source and avoid repeated untracked guesses that could complicate incident handling.

Microsoft: BitLocker recovery overview

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