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
: Specialized for hosting web applications and services via Internet Information Services (IIS) 7.5 . Technical Innovations in SP1 Windows Server 2008 R2 SP1 7601. 24561 AIO 8in1...
: Allows Hyper-V to adjust the amount of memory available to virtual machines based on demand. Windows Server 2008 R2 SP1 (Build 7601) refers
The introduction of Service Pack 1 added key virtualization capabilities: Technical Innovations in SP1 : Allows Hyper-V to
: Enhances the remote user experience by supporting 3D graphics and USB redirection for Remote Desktop Services. System Requirements
This operating system exclusively supports processors. Windows 2008 R2 Service Pack 1 - Microsoft Support
: Optimized for virtualization; allows unlimited virtual instances on one server.