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I have a pretty big mess to sort.

I have a 512GB VHD which I use to store private backups. It started running out of storage so I looked online how to make it bigger (as I assumed VHD's probably just have a value that determines max size). Turns out I was totally wrong:

  1. I opened the VHD in Virtual Media Manager
  2. Resized it to 2TB (just to give enough room), pressed apply
  3. Now attempting to mount in File Explorer yields the error: "Couldn't Mount File - The disk image is corrupted". Mounting thru dskmgmt yields an error stating that directories are corrupted

To add to this, the drive had BitLocker encryption. I know the passkey, but I fear this adds further complexion. After reading online, it seems that this has been an issue corrupting files for over 12 years, so I am astounded that in the modern day there isn't as much as a warning against this. Nevertheless, I am asking any of you if you had any luck in recovering files in such a scenario. These files to me are of importance, and losing them would be a significant loss.

PS. of course I should have also backed up, but consider that backing up a 512GB file isn't so straightforward.

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  • Hello DrMoishe Pippik, I appreciate your reply. I made this request after an hour of trying but I actually found a solution! By mounting in VMWare, it updates it to a "new format". Unsure what exactly this means but it fixed my issue! Maybe it recreated some missing data? Hope this helps someone in the future :D
    – Matt Huddleson
    Commented Jun 3 at 22:50
  • Since you found a remedy, why not write it up, explaining details, and make it an answer. Yes, it is acceptable to answer your own question.
    – DrMoishe Pippik
    Commented Jun 3 at 22:52
  • Done :) added the info as an answer
    – Matt Huddleson
    Commented Jun 3 at 23:27

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Answering my own question

As stated in a comment:

I made this request after an hour of trying but I actually found a solution! By mounting in VMWare, it updates it to a "new format". Unsure what exactly this means but it fixed my issue! Maybe it recreated some missing data? Hope this helps someone in the future :D

I can't really attest to what fixed it. Currently just copying all the files into a new virtual disk. Didn't "uncorrupt" the VHD, just the files are accessible from within VMWare.

Mounting: Used an existing Windows 10 VM, opened settings for it, Hardware > Add > Hard Disk > Recommended > Use existing disk, etc

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