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| | |-+  Recover 0% completed Bitlocker encryption
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Author Topic: Recover 0% completed Bitlocker encryption  (Read 3377 times)
pedro0
member

Posts: 3


« on: May 25, 2016, 04:28:34 PM »

Hello, I started the thread, on the General Support, called Recover 0% completed Bitlocker encryption

Quote
Hello,
I have one disk in which Bitlocker failed immediately at the first boot.

Since Bitlocker doesn't start encrypting until this first boot, which failed, but since unlocking the disk

  • tells me the password is ok but after
  • results on a BSOD with UNMOUNTABLE_BOOT_VOLUME
  • if I go to recovery: tells me the recovery key didn't work
  • if I use manage-bde: tells me the recovery key didn't work (and the same if I use the password)
  • if I use repair-bde: tells me the recovery key didn't work (and the same if I use the password) and fails to retrieve any file
  • no physical errors are detected by repair-bde


Question: therefore, there must be 99,99% non-encrypted files.

How can I recover them?


Thanks in Advance!

Joep replied:
Quote from: Joep

Hi,

IF not encrypted, then you should be able to use iRecover. But you'd need a running Windows of course, attach the disk to that system and run iRecover from there.


However, I would like to stress the fact the Windows crashed on the first boot.
As far as I am concerned, I can't even be sure which NTFS structures survived.

Which is the worse scenario possible for recovery?

Let's assume, for example, the MFT is very corrupted (and thus Windows recovery thinks the drive is RAW, as I've seen).

Would it be possible to recover anything?

Thanks in Advance.

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Joep
Developer and Support Tech
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Posts: 1457


WWW
« Reply #1 on: May 25, 2016, 05:24:03 PM »

Hi,

Yes, Windows crashed on first boot, so therefor you assume no encryption has actually been applied. In which case the best thing to do would be: attach the disk to a PC running Windows, and from there run iRecover. Trying is the only way to find out if data can be recovered. A RAW disk in itself can be caused by a single byte corrupted in the 'right' place. Just make sure to not run chkdsk before data recovery was attempted: changes made by chkdsk may make things worse.
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--
Kind regards,
Joep
pedro0
member

Posts: 3


« Reply #2 on: August 02, 2016, 01:19:48 PM »

The crash was so... well, weird, that the backup header was not encrypted. I was able to recover using ntfs3g's ntfsfix.

Thanks for your help Smiley
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Joep
Developer and Support Tech
Administrator
member
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Posts: 1457


WWW
« Reply #3 on: August 12, 2016, 02:05:22 PM »

Hi,

I'm not familiar with the utility you refer to. But, good thing you got your data back!
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Kind regards,
Joep
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