: Specialized for hosting web applications and services via Internet Information Services (IIS) 7.5 . Technical Innovations in SP1
Windows Server 2008 R2 SP1 (Build 7601) refers to a major release of Microsoft’s server operating system, based on the Windows 7 kernel. The specific version "7601.24561" likely refers to a custom "All-In-One" (AIO) installation image that integrates updates released after the official Service Pack 1, such as those from August 2019 or later. Core Versions & Features
: Optimized for virtualization; allows unlimited virtual instances on one server.
An "8-in-1" AIO image typically includes the following editions in both "Full" and "Server Core" installation modes: