Turn On or Off BitLocker for Operating System Drive in Windows 10  

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  1.    12 Jul 2018 #20

    What effect does BitLocker have on the speed of your system?
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  2. Brink's Avatar
    Posts : 35,371
    64-bit Windows 10 Pro build 18317
    Thread Starter
       12 Jul 2018 #21

    alkaufmann said: View Post
    What effect does BitLocker have on the speed of your system?
    Most people will never notice any difference.
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  3.    12 Jul 2018 #22

    Brink said: View Post
    It could have been from only wanting to clean install on a second partition on an encrypted disk instead of wiping the whole disk.
    I've just read this

    If you wipe hard drive without disabling the BitLocker encryption and then install an operating system to the drive that doesn't support or recognize BitLocker, the drive will be locked. So, to prepare the disk for formatting, you should decrypt it in advance via Control Panel.
    I don't know the source nonetheless It could be the reason, as he said he was installing home version.

    Last question mate, is It neccesary to delete all the partitions to do a clean installilation on a driver with bitlocker?

    I mean, you have uefi with 5 partitions with bitlocker enabled on C(Os) and D(data)

    -Recovery
    -System
    -Msr
    -Primary-bitlocker
    -D(data)-bitlocker

    To do the clean installation should I delete D as well? Or just the ohers and install W on the unlocated space and when it finishes I'll be able to access my D partitions with bitlocker
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  4. Brink's Avatar
    Posts : 35,371
    64-bit Windows 10 Pro build 18317
    Thread Starter
       13 Jul 2018 #23

    Personally, I find it safer to have your data saved to a separate disk than on the same disk Windows is installed on. This way you have a separation between them.

    If you don't delete all partitions on a disk, then it would be best to decrypt the drive first to turn off BitLocker. You can always encrypt it again after the new installation has finished.
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  5.    13 Jul 2018 #24

    Thanks for the tip !
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  6.    01 Dec 2018 #25

    I have a question regarding this...

    I have a notebook with a TPM. My operating system drive is bitlocker protected. I do a lot of testing on the system and on rare occasions I do something that cause the system to ask for my recovery key when booting. Rather than this crazy long recovery key is it possible for me to configure the OS drive to accept a password for recovery?

    To be clear, I don't want to have to supply a password every time I boot. I still want to make use of the TPM to automatically allow access to the OS drive, I just want to change the behavior for recovery mode to allow a password for recovery rather than the long numeric recovery key.

    I see a lot of settings in group policy editor but I'm hesitant to just poke at these for fear of really locking myself out, although if needed I could do so as I have good backups.

    Note that in my case, my laptop is only a member of a workgroup, no active directory is involved.
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  7. Brink's Avatar
    Posts : 35,371
    64-bit Windows 10 Pro build 18317
    Thread Starter
       01 Dec 2018 #26

    hsehestedt said: View Post
    I have a question regarding this...

    I have a notebook with a TPM. My operating system drive is bitlocker protected. I do a lot of testing on the system and on rare occasions I do something that cause the system to ask for my recovery key when booting. Rather than this crazy long recovery key is it possible for me to configure the OS drive to accept a password for recovery?

    To be clear, I don't want to have to supply a password every time I boot. I still want to make use of the TPM to automatically allow access to the OS drive, I just want to change the behavior for recovery mode to allow a password for recovery rather than the long numeric recovery key.

    I see a lot of settings in group policy editor but I'm hesitant to just poke at these for fear of really locking myself out, although if needed I could do so as I have good backups.

    Note that in my case, my laptop is only a member of a workgroup, no active directory is involved.

    I'm not aware of a way to be able to enter anything other than the recovery key when you get a "BitLocker recovery" screen.
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  8.    02 Dec 2018 #27

    Thanks for the response. Much appreciated.
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  9. Posts : 7
    Windows 10 Pro
       05 Dec 2018 #28

    Bitlocker and OS


    New to this posting thing. Not sure if I did this right but here is the problem.

    I had my desktop OS to be protected by Bitlocker so I had to enter a PIN on startup. The drive is a SSD. I was going to swap out the SSD for a larger one so I turned off Bitlocker via the control panel. Two of my non-OS drives decrypted fine. The OS - SSD drive is stuck saying 18% still left to decrypt. I have rebooted and it no longer asks for the pin but it still says it decrypted. I cannot close a half-decrypted OS drive. I also tried to make sure the decrypt was running so I tried to turn of from CMD and powershell. They both say it is decrypting.

    Any ideas?

    Thank you.
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  10. Brink's Avatar
    Posts : 35,371
    64-bit Windows 10 Pro build 18317
    Thread Starter
       05 Dec 2018 #29

    KMer said: View Post
    New to this posting thing. Not sure if I did this right but here is the problem.

    I had my desktop OS to be protected by Bitlocker so I had to enter a PIN on startup. The drive is a SSD. I was going to swap out the SSD for a larger one so I turned off Bitlocker via the control panel. Two of my non-OS drives decrypted fine. The OS - SSD drive is stuck saying 18% still left to decrypt. I have rebooted and it no longer asks for the pin but it still says it decrypted. I cannot close a half-decrypted OS drive. I also tried to make sure the decrypt was running so I tried to turn of from CMD and powershell. They both say it is decrypting.

    Any ideas?

    Thank you.
    Hello KMer, and welcome to Ten Forums.

    Does your OS drive still have the BitLocker icon on it in "This PC" in File Explorer?

    Using the tutorial below, what does it report for the status of your OS drive?

    Check BitLocker Drive Encryption Status in Windows 10 | Tutorials
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