Explore Windows Server 2025 installation, Active Directory, DNS, networking, security, administration, and troubleshooting tutorials for IT professionals.
How to deploy a Read-Only Domain Controller for a branch office: prerequisites, site and subnet design, promotion with Server Manager or PowerShell, Password Replication Policy, verification and troubleshooting.
Learn how to deploy a second writable Domain Controller, configure DNS, join an existing domain, install Active Directory Domain Services, promote the server and verify replication health.
Microsoft has introduced a registry-based control that lets administrators automatically accept single sign-on permissions on eligible, organization-managed Windows 11 devices. Here is what the setting changes, where it applies, and how to deploy it safely.
Windows 11 administrators reported Group Policy processing problems after Administrator Protection was enabled through security baselines. The October 2026 cumulative update KB5127648 is reported to address the failure, while Microsoft separately documents a related Remote Desktop issue and a temporary policy workaround.
Configure a Windows Server 2025 Remote Desktop Session Host so multiple authorized domain users can connect and work at the same time, with the correct RDS roles, licensing, Group Policy and security controls.
Stop users from launching installers directly from USB storage on domain-joined Windows computers. Configure removable-disk execution controls, block Windows Installer media sources, and deploy the policy safely through a dedicated GPO.
Learn how to centrally show or hide desktop icons on domain-joined Windows computers using Group Policy Management from Windows Server 2025.
Configure alternative SMB client ports for TCP, QUIC, and RDMA, understand the server-side limitations, and test file-share connectivity without weakening your network security.
Use Group Policy to prevent selected users from opening Control Panel and Windows Settings while leaving administrators and other user groups unaffected. Scope the policy carefully and test it before broad deployment.
Learn how to restrict access to a sensitive folder on a domain-joined Windows Server using NTFS permissions, security groups, and PowerShell—without accidentally locking out administrators or applications.
