Impact: This issue is more likely to affect devices that have the Device Encryption option enabled Originating KB URL: https://support.microsoft.com/en-us/topic/5040442 Originating KB Release Date: 2024-07-09T10:00:00-07:00 Originating Build: 22621.3880 Resolved KB URL: https://support.microsoft.com/en-us/topic/5041585 Date Resolved: 2024-08-13T10:00:00-07:00 All Updates: ------------------------------------------------------ August 13, 2024 16:59 PM After installing the July 2024 Windows security update, released July 9, 2024 (KB5040442 (https://support.microsoft.com/help/5040442)), you might see a BitLocker recovery (https://learn.microsoft.com/windows/security/operating-system-security/data-protection/bitlocker/recovery-overview) screen upon booting your device. This screen does not commonly appear after a Windows update. You are more likely to face this issue if you have the Device Encryption (https://support.microsoft.com/windows/turn-on-device-encryption-0c453637-bc88-5f74-5105-741561aae838) option enabled in Settings under Privacy & Security -> Device encryption. Resulting from this issue, you might be prompted to enter the recovery key from your Microsoft account to unlock your drive. Resolution: This issue was resolved by Windows updates released August 13, 2024 (KB5041585 (https://support.microsoft.com/help/5041585)), and later. We recommend you install the latest update for your device as it contains important improvements and issue resolutions, including this one. If you install an update released August 13, 2024 (KB5041585 (https://support.microsoft.com/help/5041585)) or later, you do not need to use a workaround for this issue. If you are using an update released before August 13, 2024, and have this issue, your device should proceed to start up normally from the BitLocker recovery screen once the recovery key has been entered. You can retrieve the recovery key by logging into the BitLocker recovery screen portal (https://account.microsoft.com/devices/recoverykey) with your Microsoft account. Detailed steps for finding the recovery key are listed here: Finding your BitLocker recovery key in Windows (https://support.microsoft.com/windows/finding-your-bitlocker-recovery-key-in-windows-6b71ad27-0b89-ea08-f143-056f5ab347d6). Affected platforms: - Client: Windows 11 version 23H2, Windows 11 version 22H2, Windows 11 version 21H2, Windows 10 version 22H2, Windows 10 version 21H2. - Server: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008. Click here (https://admin.microsoft.com/Adminportal/Home?#/windowsreleasehealth/:/wrhpreferences) to manage email notifications for Windows known issues. ------------------------------------------------------ July 25, 2024 23:14 PM After installing the July 2024 Windows security update, released July 9, 2024 (KB5040442 (https://support.microsoft.com/help/5040442)), you might see a BitLocker recovery (https://learn.microsoft.com/windows/security/operating-system-security/data-protection/bitlocker/recovery-overview) screen upon booting your device. This screen does not commonly appear after a Windows update. You are more likely to face this issue if you have the Device Encryption (https://support.microsoft.com/windows/turn-on-device-encryption-0c453637-bc88-5f74-5105-741561aae838) option enabled in Settings under Privacy & Security -> Device encryption. Resulting from this issue, you might be prompted to enter the recovery key from your Microsoft account to unlock your drive. Workaround: Your device should proceed to start up normally from the BitLocker recovery screen once the recovery key has been entered. You can retrieve the recovery key by logging into the BitLocker recovery screen portal (https://account.microsoft.com/devices/recoverykey) with your Microsoft account. Detailed steps for finding the recovery key are listed here: Finding your BitLocker recovery key in Windows (https://support.microsoft.com/windows/finding-your-bitlocker-recovery-key-in-windows-6b71ad27-0b89-ea08-f143-056f5ab347d6). Next steps: We are actively working on a resolution and estimate it will be released in the coming weeks. If you need help with an urgent mitigation for your organization, please contact Support for business (https://support.serviceshub.microsoft.com/supportforbusiness/create). Affected platforms: - Client: Windows 11 version 23H2, Windows 11 version 22H2, Windows 11 version 21H2, Windows 10 version 22H2, Windows 10 version 21H2. - Server: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008. Click here (https://admin.microsoft.com/Adminportal/Home?#/windowsreleasehealth/:/wrhpreferences) to manage email notifications for Windows known issues. ------------------------------------------------------ July 23, 2024 21:01 PM After installing the July 2024 Windows security update, released July 9, 2024 (KB5040442 (https://support.microsoft.com/help/5040442)), you might see a BitLocker recovery (https://learn.microsoft.com/windows/security/operating-system-security/data-protection/bitlocker/recovery-overview) screen upon booting your device. This screen does not commonly appear after a Windows update. You are more likely to face this issue if you have the Device Encryption (https://support.microsoft.com/windows/turn-on-device-encryption-0c453637-bc88-5f74-5105-741561aae838) option enabled in Settings under Privacy & Security -> Device encryption. Resulting from this issue, you might be prompted to enter the recovery key from your Microsoft account to unlock your drive. Workaround: Your device should proceed to start up normally from the BitLocker recovery screen once the recovery key has been entered. You can retrieve the recovery key by logging into the BitLocker recovery screen portal (https://account.microsoft.com/devices/recoverykey) with your Microsoft account. Detailed steps for finding the recovery key are listed here: Finding your BitLocker recovery key in Windows (https://support.microsoft.com/windows/finding-your-bitlocker-recovery-key-in-windows-6b71ad27-0b89-ea08-f143-056f5ab347d6). Next steps: We are investigating the issue and will provide an update when more information is available. Affected platforms: - Client: Windows 11 version 23H2, Windows 11 version 22H2, Windows 11 version 21H2, Windows 10 version 22H2, Windows 10 version 21H2. - Server: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2008.