In this extensively updated fourth edition, veteran author Bekim Dauti delivers practical, real-world guidance for deploying, managing, and securing modern server environments, with a strong focus on virtualization and hybrid cloud integration. Ideal for IT professionals, system administrators, and certification candidates, this hands-on guide equips you to confidently manage, update, and troubleshoot Windows Server 2025 environments using Microsoft-recommended best practices. You’ll be introduced to network fundamentals and installation procedures, and go through post-installation tasks, directory services, and adding roles. This updated edition covers the new and enhanced features of Windows Server 2025 extensively, including Active Directory Domain Services enhancements, SMB over QUIC, advanced security features, and hotpatching with Azure Arc. Additionally, numerous questions and answers at the end of each chapter help you test your knowledge of the concepts covered. By the end of this book, you’ll be fully prepared to ensure server stability, security, and performance, and to pass the Microsoft AZ-800 Administering Windows Server Hybrid Core Infrastructure exam with confidence.