What Happens If I Lose My Bitlocker Recovery Key?

Summary

This guide helps you troubleshoot and resolve: What Happens If I Lose My Bitlocker Recovery Key?. Follow the steps below to fix the issue.

Common Causes

BitLocker is Microsoft's full-disk encryption feature built into Windows. It protects your data by encrypting the entire drive, ensuring that files remain inaccessible if the device is lost, stolen, or accessed by an unauthorised user. When BitLocker detects a potential security risk—such as a hardware change, a forgotten PIN, or multiple failed login attempts—it enters recovery mode and requires a 48-digit BitLocker recovery key to unlock the drive. If you cannot provide this key, you will be locked out of your device and any encrypted data stored on it.

Quick Fix Steps

1. Restart your computer and check if BitLocker prompts for a recovery key.
2. Sign in to your Microsoft account from another device to locate your recovery key.
3. If your device is managed by your organisation, check the company portal or contact your IT administrator.
4. Enter the 48-digit recovery key on the locked device to regain access.

Detailed Instructions

Locating Your Recovery Key in Your Microsoft Account

1. On a separate device, open a web browser and go to the Microsoft account website.
2. Sign in with the same Microsoft account used on the locked Windows device.
3. Select Devices from the top menu.
4. Find the locked device in the list and select View details or Manage.
5. Look for BitLocker recovery key and note the 48-digit key displayed.
6. Return to the locked device and enter the recovery key when prompted.

Locating Your Recovery Key in the Company Portal

1. On another device, open your organisation's company portal or Intune management console.
2. Sign in with your work or school account.
3. Navigate to Devices and select the encrypted endpoint.
4. Locate the BitLocker recovery key section.
5. Copy the recovery key and enter it on the locked device.

Checking for a Saved Recovery Key File

1. If you previously saved your recovery key to a USB drive or printed it, locate that backup.
2. Open the file named something like BitLocker Recovery Key [device-ID].txt.
3. Enter the 48-digit numeric password shown in the file.

Troubleshooting

I Cannot Find My Recovery Key

• Check any email accounts associated with the device for a Microsoft recovery key notification.
• Search your computer or cloud storage for files containing "BitLocker" or "recovery key".
• If the device is owned by a business, your IT administrator may have backed up the key to Active Directory or Azure AD.
• If no backup exists, there is no way to bypass BitLocker encryption without the recovery key.

After Regaining Access

1. Once unlocked, sign in to Windows as normal.
2. Open Control Panel and navigate to System and Security > BitLocker Drive Encryption.
3. Select Back up your recovery key and save it to your Microsoft account, print a copy, or save it to a USB drive.
4. Consider suspending BitLocker temporarily if you plan to make hardware changes, then resume encryption afterwards.

If you have exhausted all recovery options and remain locked out of your device, you can Open a Ticket for assistance from our support team.

If you host with us, you don't need to do this yourself — just Open a Ticket and our Brisbane team will get it sorted.

For related guidance on Windows access issues, see our Password reset (Windows login) article.

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