Windows 10: Bitlocker conflict on second fixed drive

Discus and support Bitlocker conflict on second fixed drive in AntiVirus, Firewalls and System Security to solve the problem; Hi I've just replaced my laptop. Both old and new had / have two fixed drives - C drive with the OS one and then a second fixed local drive (mapped... Discussion in 'AntiVirus, Firewalls and System Security' started by Quisquose, Nov 30, 2017.

  1. Quisquose Win User

    Bitlocker conflict on second fixed drive


    Hi

    I've just replaced my laptop. Both old and new had / have two fixed drives - C drive with the OS one and then a second fixed local drive (mapped as K) that I want to use for backups.

    On my old laptop I had Bitlocker full drive encryption working for both, using the instructions at
    How to Turn On or Off BitLocker for Fixed Data Drives in Windows 10
    and
    How to Turn On or Off Auto-unlock for BitLocker Drive in Windows 10

    I've succesfully enabled full disk encryption on my new C drive (including setting PIN to unlock on boot), but when I try and turn Bitlocker on on my K drive I get this error message:

    Bitlocker conflict on second fixed drive [​IMG]


    I've tried searching here and elsewhere but haven't managed to find anything that matches my issue exactly. If it helps my old laptop didn't have a TPM module, but my new one does.

    Hope someone can help me, please.

    Many thanks

    :)
     
    Quisquose, Nov 30, 2017
    #1

  2. What is unlock-bde context menu

    It's at the second level: Control Panel >System and Security >Bitlocker Drive Encryption
     
    laudablepus, Nov 30, 2017
    #2
  3. (BUG) BitLocker eDrive hardware encryption

    Hi,

    I did a clean install of Windows 10, and tried to use hardware encryption via BitLocker on my eDrive compliant 850 EVO ssd.

    First it just would not use the hardware encryption (asks if I want to encrypt whole drive or only used portion) but I found that Intel rapid storage was conflicting with the process (version V14501081)

    When I uninstalled IRST, the setup went right, but after the first reboot/system check, BitLocker has just dissapeared. It can't be found in the Control Panel (see screenshot), trying to open it via search doesn't work and it's not listed when right clicking
    the system drive, but when right clicking my second HDD there is an option to enable it, this brings me to the initialization screen, the BitLocker settings still can't be accessed. There's also no lock icon on the system drive, but BitLocker does ask for
    a password on bootup (don't have TPM).

    When typing manage-bde -status C: in the command prompt, I get an error (see screenshot)

    screenshot:

    https://i.imgur.com/JiHCu3K.png

    This worked perfectly on Windows 8.1 for me.

    Edit: Now BitLocker suddenly started working properly. The lock sign is there and the settings are back, still this is strange behaviour.
     
    Thomas Debie, Nov 30, 2017
    #3
  4. Bitlocker conflict on second fixed drive

    Do you have any group policies set for BitLocker? By default they should be all "Not configured."

    Group Policy Editor->Computer Configuration->Admin Templates->Windows Components->BitLocker
     
    PolarNettles, Nov 30, 2017
    #4
  5. Quisquose Win User
    I do yes - I had to enable 'Require additional authentication at startup' in order to enable PIN on boot. Do you think if I disabled that I could then encrypt the K drive and re-enable it afterwards?
     
    Quisquose, Nov 30, 2017
    #5
  6. What are the exact options you set (i.e. Configure TPM startup, Configure TPM startup PIN, Configure TPM startup key, etc.)?
     
    PolarNettles, Dec 1, 2017
    #6
  7. Quisquose Win User
    Allow Bitlocker without a compatible TPM: ticked
    Configure TPM startup: Allow TPM
    Configure TPM startup PIN: Require startup PIN with TPM
    Configure TPM startup key: Allow startup key with TPM
    Configure TPM startup key and PIN: Allow startup key and PIN with TPM
     
    Quisquose, Dec 1, 2017
    #7
  8. Bitlocker conflict on second fixed drive

    I was able to reproduce this on my system. I can encrypt my 2nd drive by setting:

    Allow Bitlocker without a compatible TPM: ticked
    Configure TPM startup: Do not allow TPM
    Configure TPM startup PIN: Require startup PIN with TPM
    Configure TPM startup key: Do not allow startup key with TPM
    Configure TPM startup key and PIN: Do not allow startup key and PIN with TPM
     
    PolarNettles, Dec 1, 2017
    #8
  9. Quisquose Win User
    Brilliant, that's worked. Thanks very much for your help *Smile
     
    Quisquose, Apr 5, 2018
    #9
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Bitlocker conflict on second fixed drive

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