Troubleshooting Authentication Issues training focuses on identifying, diagnosing, and resolving problems related to user authentication in applications and systems. This training explains how authentication failures occur due to incorrect credentials, misconfigured security settings, expired tokens, or network issues. You will learn how to analyze logs, trace authentication flows, and validate identity configurations across systems. The course covers multi-factor authentication, token-based authentication, and single sign-on troubleshooting techniques. It also explains security policies, session handling, and error resolution strategies for reliable access management. You will learn how to restore secure access quickly while maintaining system integrity. This training is ideal for IT support engineers, system administrators, and security professionals managing authentication systems.