A blog post about provides a look back at an operating system that, while often criticized, was a significant step in the evolution of the modern Windows desktop. For many, Service Pack 2 (SP2) was the version that finally delivered the stability and performance promised at launch. Key Features and Improvements in SP2
At least 1 GB of RAM (though 2 GB was recommended for better multitasking).
Added support for VIA Technologies’ 64-bit CPUs and improved compatibility with newer hardware. Windows Vista Business SP2 (32 Bit)
Integrated Windows Search 4.0 for faster indexing and reduced the power consumption for systems when running in a idle state.
A DirectX 9-capable processor with a WDDM driver and at least 128 MB of memory to support the Aero Glass interface. A blog post about provides a look back
The Business edition featured advanced networking and backup tools, including Remote Desktop and Complete PC Backup , which were essential for corporate environments. System Requirements for 32-bit Vista Business
To run Vista Business SP2 effectively on a 32-bit (x86) architecture, your system ideally met these "Premium Ready" standards: 1 GHz 32-bit (x86) or 64-bit (x64) processor. Added support for VIA Technologies’ 64-bit CPUs and
Enhanced Wi-Fi performance and added native support for recording data to Blu-ray media.