is a technical string used to describe a specific installation image (ISO) of Windows Server 2008 R2.

The "feature" of this specific file is that it represents a of a legacy server OS. It combines the stability of Windows Server 2008 R2, the virtualization enhancements of SP1, and the installation speed of a pre-updated (Jan 2020) image, wrapped in a compact modern download format.

dism /Get-ImageInfo /ImageFile:C:\path\to\file.esd

Windows Server 2008 R2 was a landmark release as the first Microsoft server OS to drop 32-bit (x86) processor support entirely.

Last updated: May 2025. Information provided for historical and legacy system management only.