Bitlocker on schedule

Question

Hey there,

I wonder If I can unlock my encrypted disks on schedule to fit with my backups configs? I want to unlock my drives to allow windows backup to do its job.

Answer 1

There is no interface to do it.
However, you may write a PowerShell script and add it to Task Scheduler, you may use Unlock-BitLocker command.
Have a look at:
https://learn.microsoft.com/en-us/powershell/module/bitlocker/unlock-bitlocker

Answer 2

Is it possible to unlock specifics drives at specific times in the week and then locked them again at some other time?

Answer 3

Hello there,

You can create a Powershell script and then run it with the help of Scheduled Task in Task scheduler. Before doing this you should have already set up your group policies so that Bitlocker keys are automatically backed up to Active Directory. The below script will help you in this.

PS C:\> $SecureString = ConvertTo-SecureString "fjuksAS1337" -AsPlainText -Force
PS C:\> Unlock-BitLocker -MountPoint "E:" -Password $SecureString

This topic describes how BitLocker network unlock works and how to configure it. https://learn.microsoft.com/en-us/windows/security/information-protection/bitlocker/bitlocker-how-to-enable-network-unlock

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Answer 4

Easiest way (which does not require setting up another password):

manage-bde -unlock x: -rp 123455-145112....your_48digit_recovery_password  

Lock again:

manage-bde -lock x: