Files
powershell/enable-bitlocker.ps1
T
2025-01-21 00:26:44 +01:00

58 lines
2.2 KiB
PowerShell

# Check if script is running with admin privileges
if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
Write-Error "Please run this script as Administrator"
exit 1
}
# Check if BitLocker is already enabled on C:
$bitlockerStatus = Get-BitLockerVolume -MountPoint "C:"
if ($bitlockerStatus.ProtectionStatus -eq "On") {
Write-Warning "BitLocker is already enabled on C: drive"
exit 0
}
# Prompt user to select save location for recovery key
$saveDialog = New-Object System.Windows.Forms.SaveFileDialog
$saveDialog.Filter = "Text Files (*.txt)|*.txt"
$saveDialog.Title = "Select location to save BitLocker recovery key"
$saveDialog.FileName = "BitLocker-RecoveryKey-$(Get-Date -Format 'yyyy-MM-dd').txt"
if ($saveDialog.ShowDialog() -eq 'OK') {
$keyPath = $saveDialog.FileName
try {
Write-Host "Enabling BitLocker on C: drive..." -ForegroundColor Yellow
# Enable BitLocker with TPM
Enable-BitLocker -MountPoint "C:" -TpmProtector -SkipHardwareTest -ErrorAction Stop
# Get recovery key and save to file
$recoveryKey = (Get-BitLockerVolume -MountPoint "C:").KeyProtector |
Where-Object { $_.KeyProtectorType -eq 'RecoveryPassword' } |
Select-Object -ExpandProperty RecoveryPassword
# Save key to file
$content = @"
BitLocker Recovery Key for C: drive
Generated on: $(Get-Date)
Computer Name: $env:COMPUTERNAME
Recovery Key: $recoveryKey
Please keep this file in a safe place. You will need this key to recover your data if BitLocker enters recovery mode.
"@
$content | Out-File -FilePath $keyPath -Force
Write-Host "`nBitLocker has been successfully enabled on C: drive" -ForegroundColor Green
Write-Host "Recovery key has been saved to: $keyPath" -ForegroundColor Green
Write-Host "IMPORTANT: Please store this file in a safe location!" -ForegroundColor Yellow
} catch {
Write-Error "Failed to enable BitLocker: $_"
exit 1
}
} else {
Write-Warning "Operation cancelled by user"
exit 0
}