This report provides a comprehensive overview of a server installation, focusing on Windows Server 2012 R2. It begins by outlining the necessary server hardware specifications and licensing implications, emphasizing the importance of domain controllers for reliability and security. The report then details the operating system configuration, highlighting key features of Windows Server 2012 R2 such as automated tiering, PowerShell v4, and improved virtual machine development. Furthermore, it explores the roles and features of the server, including Active Directory Domain Services, DHCP server, and Hyper-V, as well as features like RODC and dynamic memory. The report also differentiates between basic and dynamic disks, outlining their respective operations and capabilities. Finally, it compares IPv4 and IPv6, noting key differences in configuration, addressing, and security features. The document concludes with a list of references.