Active-Directory

Windows Server 2025: Microsoft Entra Connect — On-Premises to Cloud Identity Sync

Step-by-step Microsoft Entra Connect v2 installation on Windows Server 2025: prerequisites, express install, custom configuration with OU filtering and writeback, verification, and mandatory upgrade before September 30, 2026.

Windows Server 2025 Group Policy Management — GPMC, WUfB, and Central Store

Step-by-step Group Policy management on Windows Server 2025: GPMC install, GPO creation/linking, security and WMI filtering, ADMX templates, backup/restore, and Windows Update for Business deployment rings.

Windows Server 2025 DHCP failover topology with DHCP01 and DHCP02 replicating a shared IPv4 scope

Windows Server 2025 DHCP Failover — Replicated Scopes and Verification

Step-by-step Windows Server 2025 DHCP failover guide: install DHCP, authorize servers in AD, create scopes, configure load-balance or hot-standby failover, replicate scopes, and verify leases.

Windows Server 2025 DNS replication topology with DC01 and DC02 hosting AD-integrated DNS zones

Windows Server 2025 DNS Server Replication — AD-Integrated Zones

Step-by-step Windows Server 2025 DNS replication guide: AD-integrated zones, DNS role install, forward/reverse zones, forwarders, secure dynamic updates, GUI and Server Core paths, and verification.

Windows Server 2025 secondary domain controller topology with DC01, DC02, replication, DNS, and client failover

Windows Server 2025 Secondary Domain Controller — Add DC02 to Existing AD

Step-by-step guide to adding DC02 as a secondary Windows Server 2025 domain controller: preparation, AD DS promotion, DNS, Global Catalog, replication checks, SYSVOL validation, and client failover testing.

Windows Server 2025 domain controller topology with AD DS, DNS, clients, and verification tools

Windows Server 2025 Domain Controller — AD DS Install and Verification

Step-by-step Windows Server 2025 domain controller deployment: static IP, AD DS installation, DNS configuration, domain promotion, OU/user setup, client join testing, and post-install verification.