Here is a list of steps to troubleshoot Active Directory trust authentication issues:

1. Verify authentication using Local Security policies.
2. Check security settings for Active Directory.
3. Check the Active Directory configuration.
4. Verify that other computers can access the Active Directory.
5. Verify that network credentials and settings are correct.
6. Check firewalls and antivirus settings.
7. Verify if the Active Directory is running correctly.
8. Test authentication on another server.