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Can I upgrade my Windows Vista–based computer to Windows 7 with BitLocker enabled?

April 26, 2017BitLocker Computer enabled upgrade Windows windows 7

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Can I upgrade my Windows Vista–based computer to Windows 7 with BitLocker enabled?

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Yes. To upgrade from Windows Vista to Windows 7 without decrypting the operating system drive, open the BitLocker Drive Encryption Control Panel item in Windows Vista, click Turn Off BitLocker, and then and click Disable Protection. Disabling protection does not decrypt the drive; it disables the authentication mechanisms used by BitLocker and uses a clear key on the drive to enable access. Proceed with the upgrade process by using your Windows 7 DVD. After the upgrade has completed, open Windows Explorer, right-click the drive, and then click Resume Protection. This reapplies the BitLocker authentication methods and deletes the clear key.