dual book windows 8.1 with bit locker

Posted on 2014-08-27
Last Modified: 2014-08-27
I have a Dell M3800 Laptop with a 512GB SSD.

I want to install 2 instances of Windows 8.1 - the user would choose at boot up - and each would be protected by bit locker.

is this possible?


Question by:jackbenson
    LVL 52

    Accepted Solution

    I was interested and found out by trying.
    You'll find it hard to believe, but it "just works".
    Steps to reproduce, to do it just like me (I did it inside a hyper-v machine, so no tpm):
    -add a hard drive with 40 GB, boot setup, create a 20 GB partition, install win8.1
    -boot setup again, install a second win8.1 into another 20 GB partition.
    -boot one of those, encrypt it, reboot
    -when starting, select the OS you just encrypted and confirm that your password works, then restart
    -boot the other OS by selecting F11 at the Bitlocker prompt, encrypt it using a different password of course, reboot. Done, both are bootable, one is the default option, the other is reachable via F11, Bitlocker works for both without any issues!
    LVL 1

    Author Comment

    Yes.. I tried it earlier.. Worked like a area

    I used diskpart to remove the volume name of the os partition for the other instance.

    I also used bcdedit to change the os names in the boot menu so it was easier to identify what instance you are booting into

    Thanks for testing it out

    LVL 1

    Author Comment

    Btw tpm was enabled
    LVL 1

    Author Closing Comment

    thanks for testing it out!

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