Script to unlock Bitlocker encrypted drive at startup using task scheduler

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# Run as Administrator

$DriveLetter = "E:"

$Password = "Welcome@1989!"  # Replace with the actual BitLocker password

# Convert plain text password to secure string

$SecurePassword = ConvertTo-SecureString -String $Password -AsPlainText -Force

# Unlock the drive

Unlock-BitLocker -MountPoint $DriveLetter -Password $SecurePassword

# Enable auto-unlock (stores the key protector securely so password not needed at startup)

Enable-BitLockerAutoUnlock -MountPoint $DriveLetter

Create Task Scheduler

Select Start a program

Program/Script: powershell.exe

Add Arguments: -ExecutionPolicy Bypass -File "C:\Scripts\AutoUnlockBitlockerdrive.ps1"