https://blog.gntech.me/tags/active-directory/ Recent content in Active-Directory on GnTech Blog Hugo en-us Thu, 14 May 2026 13:00:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-entra-connect-sync/ Thu, 14 May 2026 13:00:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-entra-connect-sync/ Complete guide to installing and configuring Microsoft Entra Connect v2 for hybrid identity: prerequisites, express vs custom install, password hash sync, OU filtering, attribute synchronization, writeback, staging mode, and mandatory upgrade before Sep 30, 2026. https://blog.gntech.me/posts/2026-05-14-windows-server-2025-group-policy-management/ Thu, 14 May 2026 12:00:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-group-policy-management/ Complete guide to Group Policy management on Windows Server 2025: installing GPMC on Server Core and GUI, creating and linking GPOs, security/WMI filtering, ADMX Central Store, backup/restore, HTML reporting, and Windows Update for Business (WUfB) via Group Policy. https://blog.gntech.me/posts/2026-05-14-windows-server-2025-dhcp-failover/ Thu, 14 May 2026 03:52:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-dhcp-failover/ Configure Windows Server 2025 DHCP failover with replicated scopes across DHCP01 and DHCP02, covering GUI and Server Core setup, authorization, options, failover modes, replication, and client testing. https://blog.gntech.me/posts/2026-05-14-windows-server-2025-dns-replication/ Thu, 14 May 2026 03:51:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-dns-replication/ Configure Windows Server 2025 DNS servers with AD-integrated zone replication across DC01 and DC02, including GUI and Server Core steps, reverse zones, forwarders, and verification. https://blog.gntech.me/posts/2026-05-14-windows-server-2025-secondary-domain-controller/ Thu, 14 May 2026 03:34:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-secondary-domain-controller/ Add a secondary Windows Server 2025 domain controller to an existing Active Directory domain with AD DS, DNS, Global Catalog, replication, client DNS failover, and full verification. https://blog.gntech.me/posts/2026-05-14-windows-server-2025-domain-controller/ Thu, 14 May 2026 03:20:00 -0400 https://blog.gntech.me/posts/2026-05-14-windows-server-2025-domain-controller/ Install and configure a Windows Server 2025 domain controller with AD DS, DNS, static IP, PowerShell deployment, client join testing, and full dcdiag/repadmin verification.