Resolving Error 0x800b0109: Trust Issues with Root Certificate in Windows Server 2003

To address the error code 0x800b0109, you can follow these practical steps:

1. Update Root Certificates: Navigate to the Microsoft website to fetch the latest Root Certificates update. Once downloaded, install these on your server and proceed to reboot.
2. Verify Date and Time Settings: Double-check that your server's date and time are accurately set. Any discrepancies should be corrected followed by a server reboot.
3. Audit the Certificate Chain: Examine the certificate chain for any certificates that aren't valid or are untrusted. Removing these and restarting the server can help rectify the issue.
4. Temporarily Disable SSL Verification: If using SSL, disabling the SSL verification temporarily could help identify if the issue is with SSL settings. Should this be the case, consider updating your SSL certificate or reaching out to the certificate provider.
5. Inspect Firewall Settings: Make sure your firewall isn't obstructing the server's connectivity. If it is, configure an exception for your server and restart it.