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How to solve "Error: There was an error trying to save the key to disk" when enabling Bitlocker via command line?

Super User Asked by A71 on November 3, 2021

When trying to initiate Bitlocker on a systemdrive from the command line an error is returned:

ERROR: There was an error while trying to save the key to disk.

This isn’t the first time I ran into this error so now I share this here because the error threw me off. There is nothing wrong with the disk/usb-drive.

Original command:

manage-bde C: -on -StartupKey “U:” -RecoveryKey “F:recoverykeys” -UsedSpaceOnly

One Answer

Even though Powershell auto-completes path names with the 'tab' key, which is how I typed it, manage-bde does not like it at the end of folders. You must however provide it after your drive-letter.

Remove the trailing backslash.

manage-bde C: -on -StartupKey "U:" -RecoveryKey "F:recoverykeys" -UsedSpaceOnly

Answered by A71 on November 3, 2021

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