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Windows 10 / OS upgrade

JaffNSX

When upgrading the OS from Windows 7 to windows 10 do you have to decrypt the machine and encrypt once upgraded or can you upgrade an encrypted machine?

Same question from windows 8.1 to windows 10.

All machines are Device encrypted and not file encrypted.

Sophos Safeguard 7.1

Thanks.



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  • FormerMember
    0 FormerMember

    Hello JaffNSX,

    Good question, yes you will need to suspend BitLocker before upgrading the operating system.

    Open the BitLocker Drive Encryption Control Panel item, click Manage BitLocker, and then click Suspend. Suspending 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. 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.

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