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D drive locked with bitlocker after windows reinstallation

Purushothama V 21 Reputation points
2022-07-14T13:17:20.357+00:00

Hi,

I formatted my c drive for windows clean installation, after the installation I found my D drive is locked with bitlocker automatically. after some search on internet I found one recovery key on my Microsoft account under the same device but its not working gives an error "the key doesn't match this drive".
please help me, have some important data on that drive!!!

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  1. Henri 0 Reputation points
    2026-01-17T23:35:17.92+00:00

    I'm having a similar issue. I had 2 drive on my pc. i'm using a local account and didn't even know my drives were locked.
    C drive is 512 GB and D drive is 4 TB.
    I wanted to extend my C drive to 2 TB so I removed the 4 TB drive, put the 2 TB in and tried to clone my 512 -> 2 TB. Then I found out that my C drive is encrypted.

    • you can't clone an encrypted drive. So I boot back up, unencrypted my C drive. Did my cloning successfully and put back my 4 TB in. So now I have C drive 2 TB and my D drive 4 TB back in.

    surprise suprise my 4 TB D drive is locked with bitlocked and won't unlock. says something changed on my C drive. Of course Microsoft made all encrypted drive to look for a change on other drives. That's BS.
    We need to sue microsoft.
    I'm all for encryption and protection etc.. but why make one drive lock when the other drive change and they force their new tech on us. like A.I, no more local account etc...
    Seriously microsoft stop - just stop if this keeps us we will all migrate to linux and you will loose big time.

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