How to Back Up and Restore Active Directory on Windows Server 2025 Active Directory (AD) is the backbone of authentication, authorization, and policy management in most enterprise environments. Losing your domain controllers without a reliable backup means losing user accounts, group policies, computer objects, and trust relationships — a catastrophic event that can take days […]
How to Configure Kerberos Authentication in AD on Windows Server 2025 Kerberos is the default authentication protocol for Active Directory environments, replacing the older NTLM protocol for all domain-joined resources. Every time a domain user accesses a file share, a web application using Windows Authentication, an SQL Server instance, or any other AD-integrated service, Kerberos […]
How to Install Active Directory Federation Services (AD FS) on Windows Server 2025 Active Directory Federation Services (AD FS) extends Active Directory identity beyond the corporate network boundary, enabling Single Sign-On (SSO) for web applications and cloud services that span organisational trust boundaries. Rather than creating separate user accounts in each application or cloud tenant, […]
How to Configure Active Directory Certificate Services (AD CS) on Windows Server 2025 Public Key Infrastructure (PKI) underpins a vast range of Windows security features: TLS certificates for internal websites and LDAPS, smart card authentication, EFS file encryption, S/MIME email signing, and 802.1X network access control. Active Directory Certificate Services (AD CS) is the Microsoft […]
How to Set Up AD Replication Between Domain Controllers on Windows Server 2025 Active Directory replication is the process by which changes made on one domain controller — whether a new user account, a password reset, or a Group Policy update — are propagated to every other domain controller in the domain. Without healthy replication, […]
How to Configure AD Fine-Grained Password Policies on Windows Server 2025 Active Directory’s default password policy applies uniformly to every user in a domain — a single set of rules governing minimum length, complexity, lockout thresholds, and maximum age. For most organisations this one-size-fits-all approach is too blunt: service accounts need longer, never-expiring passwords while […]
How to Join Windows and Linux Machines to Active Directory Domain on Windows Server 2025 Active Directory (AD) is the identity backbone of most enterprise networks. Joining both Windows and Linux machines to the domain centralizes authentication, enforces Group Policy, enables single sign-on (SSO), and provides unified user and computer management through tools like Active […]
How to Configure DHCP Failover on Windows Server 2025 DHCP Failover is a high-availability feature introduced in Windows Server 2012 and significantly matured in Windows Server 2025. It allows two DHCP servers to share responsibility for a single scope, eliminating the single point of failure that a standalone DHCP server represents. If one server becomes […]
How to Set Up DHCP Server on Windows Server 2025 Dynamic Host Configuration Protocol (DHCP) automates the assignment of IP addresses, subnet masks, default gateways, and DNS server addresses to network clients, eliminating the administrative burden of static IP management at scale. Windows Server 2025 includes a powerful, feature-rich DHCP Server role that integrates with […]
How to Configure DNS Zones and Records on Windows Server 2025 Once the DNS Server role is installed on Windows Server 2025, the next critical task is structuring your DNS namespace through zones and populating those zones with resource records. DNS zones are authoritative containers for a portion of the DNS namespace, and resource records […]
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