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FVE_E_CONV_READ
FVE_E_CONV_READ means BitLocker encountered a storage read failure during encryption or decryption. The conversion did not complete, and the underlying disk or path must be evaluated before retrying.
What to check
- Record conversion state and the percentage complete before making changes.
- Review Windows storage and disk events for read errors, controller resets, or disconnected external media.
- Back up accessible data and address the storage problem; repeated conversion retries can add load to a failing device.
manage-bde -status C:Microsoft: BitLocker operations guide
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