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I configured "bitlocker to go" on a volume in external HDD(USB3), and I stored my VM's vhd in that volume.

Although I enabled auto-unlock on the volume, Hyper-V fails to access the vhds.

Hypver-V manager reports: "IDE emulator has no privileages to unlock the drive. Fail to access the vhd."

I find out that bitlocker to go volume is unlocked only the time when the account log-ins, which was used to enable auto-unlock.

Is there any way to grant privileages to service to unlock encrypted volume, or another way to auto unlock the encrypted volume?

Because I have limited space on my system drive and no other fixed drive, I want to store my VM's vhd on external HDD.

finejustice
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1 Answers1

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When using auto-unlock on BitLocker To Go volumes, the keys are stored per-user. One may think to use psexec -i -s cmd to get into Local System and enable auto-unlock there. But that doesn't work because Local System technically doesn't "login" and no auto-unlock is triggered.

The only solution is to make the drive show up as non-removable.

fjch1997
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