| Event Id | 24609 |
| Source | Microsoft-Windows-BitLocker-Driver |
| Description | A key was not available from required sources during restart. |
| Event Information | According to Microsoft : Cause This event is logged when a key was not available from required sources during restart. Resolution Use the correct USB flash drive BitLocker entered recovery, and a user has successfully completed the recovery process by using a recovery key (stored on a USB flash drive) or a recovery password (entered manually at the recovery screen). In order to unlock the Windows operating system volume that is protected by an external key (one stored on a USB flash drive), the USB device must be present during restart. Note: This condition may indicate simply that a user forgot to insert the correct USB flash drive. If the user subsequently provided the correct USB flash drive, no further actions are required. However, if the recovery process is required at every startup, continue with the following procedures. If the correct USB flash drive can be located, resume using it. Use the Manage BitLocker Keys wizard to create specific keys To use the Manage BitLocker Keys wizard to create specific keys: 1.Click Start, and then click Control Panel. 2.Click Security. 3.Click BitLocker Drive Encryption. 4.If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue. 5.Click Manage BitLocker Keys for the encrypted volume. 6.Click Duplicate the recovery password. 7.Follow the prompts presented by the BitLocker wizard to create the desired keys or passwords. Verify To verify that BitLocker has started successfully: 1.If the computer is not running, start the computer. 2.If BitLocker has been configured to use a USB flash drive, insert the USB flash drive. If BitLocker has been configured to use a PIN, enter your PIN when prompted. 3.Verify that Windows Welcome Screen, Logon Screen or Desktop appears. This indicates that BitLocker has correctly unlocked the Windows operating system volume. 4.Log on to Windows and access any data volumes that are encrypted with BitLocker. Note: Data volumes can be configured to be automatically unlocked or to require manual unlocking. |
| Reference Links | Event ID 24609 from Microsoft-Windows-BitLocker-Driver |
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