Troubleshooting Error Code 0x800b0109: Resolving Untrusted Root Certificates on Windows Server 2003

To address error code 0x800b0109 effectively:

1. Update Root Certificates: Navigate to the Microsoft website to obtain the latest root certificates. Install these on your server and perform a restart.
2. Verify Date and Time: Confirm the accuracy of your server’s date and time settings. Adjust if necessary and reboot the server.
3. Audit Certificate Chain: Scrutinise your certificate chain for validity and trustworthiness. Remove any certificates that do not meet these standards and restart your server.
4. Disable SSL Verification: Temporarily suspend SSL verification to determine if it affects the error. Should this be the case, consider updating your SSL certificate or seeking support from the issuer.
5. Inspect the Firewall: Check that your firewall isn’t obstructing server connectivity. If it is, configure an exception for your server and reboot it.