Powershell Bitlocker Decrypt Jun 2026

Alternatively, use a loop for live monitoring:

Always ensure you have backups before performing operations that can potentially alter or destroy data.

# OR Unlock using Recovery Key Unlock-BitLocker -MountPoint "D:" -RecoveryPassword "YOUR-RECOVERY-KEY-NUMBERS" powershell bitlocker decrypt

Replace C: with your specific drive letter.

For removable or data drives, disable auto-unlock before decryption: Alternatively, use a loop for live monitoring: Always

while ((Get-BitLockerVolume -MountPoint "C:").EncryptionPercentage -gt 0) Clear-Host Write-Host "Decrypting... $((Get-BitLockerVolume -MountPoint "C:").EncryptionPercentage)% remaining..." Start-Sleep -Seconds 5

| Error | Cause | Solution | |-------|-------|----------| | "BitLocker Drive Encryption is not available" | Unsupported Windows edition | Use Pro/Enterprise, or check TPM presence. | | "Access denied" | Not running as admin | Restart PowerShell elevated. | | "Drive is locked" | Missing unlock step | Use Unlock-BitLocker first. | | "Cannot disable BitLocker on OS drive without recovery password" | System integrity protection | Provide recovery key or suspend BitLocker via Suspend-BitLocker . | | "Decryption never starts" | Background optimization running | Disable optimize-drives temporarily or check group policies. | $((Get-BitLockerVolume -MountPoint "C:")

Write-Host "Decryption finished. Drive $drive is now unprotected."