Managing and Troubleshooting Cross-Certificates in Active Directory PKI

Unexplained cross-certificates in your Active Directory environment can lead to unexpected trust paths, validation failures, and security concerns. If you are seeing unrecognized cross-certificates in your single-domain Public Key Infrastructure (PKI) and need to understand where they come from and how to manage them safely, this course is your guide. You will learn how to analyze your certificate chains, prevent unauthorized trust relationships, and clean up your directory without disrupting active services. What you'll learn: Understand the core concepts of cross-certification and trust paths; Identify how and why cross-certificates are automatically created in Active Directory; Analyze certificate authority (CA) properties to locate the source of unexpected certificates; Safely remove redundant or unauthorized cross-certificates from your configuration containers; Implement modern PKI best practices to maintain a clean and secure single-domain environment. This text-only course starts with the foundational definitions of CA trust relationships before guiding you through step-by-step administrative procedures and troubleshooting workflows. Designed for system administrators and security beginners, this course requires only a basic familiarity with Active Directory and no advanced cryptography background. Start mastering your enterprise certificate environment today.