Troubleshooting Event ID 1797: Secure Boot DBX Update Failure
Key Notes
- Understand the implications of missing the Windows UEFI CA 2023 certificate.
- Learn how to navigate the Registry Editor to resolve the issue.
- Verifying updates with Powershell is crucial for confirming changes.
Resolving Event ID 1797 in Windows 10/11: Your Comprehensive Guide
If you encounter Event ID 1797 in your Windows Event log, it’s essential to understand its cause and apply the right resolutions to ensure proper system functioning.
Resolutions for Event ID 1797
The presence of Event ID 1797 indicates that the Windows UEFI CA 2023 certificate is missing from your PC. To resolve this issue, you will need to make adjustments in the Registry Editor and subsequently verify the changes using Powershell. Follow these steps:
Step 1: Access the Registry Editor
To start, open the Registry Editor by searching for it in the Start menu or using Windows + R and typing regedit.
Step 2: Modify the Secure Boot Settings
Within the Registry Editor, navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecureBoot. Locate the entry titled AvailableUpdates, double-click it, and set the Value Data to 0x40. Remember to save your changes.
Step 3: Verify the Update using Powershell
After modifying the Registry, reboot your PC to apply the changes. Then, right-click the Windows Start icon and open Terminal (Admin). Enter the following command and hit enter:
[System. Text. Encoding]::ASCII. GetString((Get-SecureBootUEFI db).bytes) -match 'Windows UEFI CA 2023'
If the command returns True, you’ve successfully updated your DB. If it states False, restart your PC again to ensure the update has taken effect.
Additional Tips
- Always back up your registry before making changes.
- Check for and install any pending firmware updates from the manufacturer.
- Run a security scan after updating to ensure no vulnerabilities remain.
Summary
Event ID 1797 can pose a significant security risk due to the absence of the Windows UEFI CA 2023 certificate. By following the outlined steps to modify the Registry and validate changes with Powershell, you enhance your system’s security and resolve this critical issue.
Conclusion
Addressing Event ID 1797 is crucial for maintaining a secure Windows environment. Follow the provided steps, ensure you keep your system updated, and don’t hesitate to seek further assistance if required.
FAQ (Frequently Asked Questions)
What is Event ID 1797?
Event ID 1797 indicates that your Windows system is missing the Windows UEFI CA 2023 certificate, leading to potential security vulnerabilities.
How do I fix Event ID 1797?
You can fix Event ID 1797 by modifying the Registry to ensure the Windows UEFI CA 2023 certificate is recognized, using the Registry Editor and Powershell.