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What system changes would cause the integrity check on my operating system drive to fail?

April 26, 2017cause changes drive fail integrity operating system system

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What system changes would cause the integrity check on my operating system drive to fail?

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The following types of system changes can cause an integrity check failure and prevent the TPM from releasing the BitLocker key to decrypt the protected operating system drive: Moving the BitLocker-protected drive into a new computer. Installing a new motherboard with a new TPM. Turning off, disabling, or clearing the TPM. Changing any boot configuration settings. Changing the BIOS, master boot record, boot sector, boot manager, option ROM, or other early boot components or boot configuration data. This functionality is by design; BitLocker treats unauthorized modification of any of the early boot components as a potential attack and will place the system into recovery mode. Authorized administrators can update boot components without entering recovery mode by disabling BitLocker beforehand.