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System requests recovery method during a firmware update

When updating the firmware on a BitLocker™-encrypted server, always disable BitLocker™ before updating the firmware. If BitLocker™ is not disabled, the system requests the recovery method selected when BitLocker™ was configured. Failure to provide the correct recovery password or passwords results in loss of access to all encrypted data.

If BitLocker™ is configured to measure option ROMs, you must follow the firmware upgrade steps in "Updating firmware." BitLocker™ can be configured to measure the following option ROMs:

Be sure to enable BitLocker™ after the firmware updates are complete.

For information on performing ROM updates, see "Firmware maintenance."

For information on BitLocker™, see BitLocker™ for servers on the Microsoft website.