Introduction to Active Directory Certificate Services A Public Key Infrastructure (PKI) built on Active Directory Certificate Services (AD CS) on Windows Server 2019 provides the foundation for internal certificate management: TLS/SSL certificates for web servers and services, smart card authentication, encrypted email (S/MIME), code signing, and encrypted file systems (EFS). A proper enterprise PKI uses […]
Overview of Edge Transport Server for Email An Edge Transport server sits in the DMZ between the internet and your internal Exchange organization. It handles inbound and outbound SMTP, anti-spam filtering, antivirus scanning, address rewriting, and connector configuration without being a domain member, thereby limiting what an attacker gains if the edge server is compromised. […]
Understanding SAML/SSO Integration on Windows Server 2019 Security Assertion Markup Language (SAML) 2.0 enables Single Sign-On (SSO) between an Identity Provider (IdP) and Service Providers (SPs). Active Directory Federation Services (AD FS) on Windows Server 2019 acts as a SAML 2.0 Identity Provider, allowing users to authenticate once with their on-premises Active Directory credentials and […]
Introduction to Log Analytics with Windows Event Logs Centralizing Windows Event Logs in Azure Log Analytics (part of Azure Monitor) transforms raw event data into a searchable, queryable, and alertable intelligence source. Windows Server 2019 generates thousands of events per day across the Application, Security, System, and application-specific event logs. Without centralization, these logs are […]
How to Set Up Windows Server 2019 Active Directory Monitoring Proactive monitoring of Active Directory on Windows Server 2019 ensures that authentication, replication, and directory services operate reliably. AD monitoring encompasses tracking replication health, FSMO role availability, account lockouts, service status, DNS registration, and security events. This guide covers setting up continuous AD monitoring using […]
How to Configure Windows Server 2019 Active Directory Health Check Regular Active Directory health checks are essential for maintaining a stable and reliable directory service. AD health issues — replication failures, DNS errors, outdated tombstone lifetimes, FSMO role problems — often develop silently and only surface when critical failures occur. Windows Server 2019 provides built-in […]
How to Configure Windows Server 2019 Active Directory Schema The Active Directory schema defines all object classes and attributes that can exist in the directory. It is the blueprint that governs what data Active Directory stores about every object — users, computers, groups, and any custom object types. The schema is stored in a dedicated […]
Introduction to LDAP Security LDAP (Lightweight Directory Access Protocol) is the protocol that applications use to query and modify Active Directory. By default, Windows Server 2019 domain controllers accept LDAP connections on port 389 without requiring signing or channel binding, making them vulnerable to man-in-the-middle attacks where an attacker can intercept and relay LDAP authentication. […]
Introduction to Active Directory Trust Relationships Active Directory trust relationships allow users in one domain or forest to access resources in another domain or forest. Trusts are directional—a trust between Domain A and Domain B means users in Domain A can authenticate to Domain B (or vice versa, depending on direction). Windows Server 2019 supports […]
Introduction to Active Directory Backup and Recovery Active Directory is the identity foundation of your Windows environment. Domain controllers store the AD database (NTDS.DIT), SYSVOL folder, and the Registry System State. A comprehensive backup and recovery strategy must account for all three components. Windows Server 2019 includes Windows Server Backup (wbadmin) as a built-in tool […]
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