A major barrier to Vista adoption is the hardware required to make the most of its feature set. While the base hardware requirements for Vista are not too unusual, considering the type of hardware that is available now, they are still important. Hardware refreshes are expensive, so whether you have 10 computers or 10,000, you need to plan and budget for hardware refreshes.
The table below outlines two sets of requirements for Vista: Vista Capable and Vista Premium PC configurations. The first allows you to run the base-level Vista editions and the second lets you take advantage of all of Vista's features.
|   | Vista Capable PC | Vista Premium PC |
|---|---|---|
| Processor | At least 800 MHz | 32-bit: 1 GHz x86; 64-bit: 1 GHz x64 |
| Minimum Memory | 512 Mbytes | 1 Gbyte |
| Graphics Processor | Must be DirectX 9 capable | Support for DirectX 9 with a WDDM driver, 128 Mbytes of graphics memory*, Pixel Shader 2.0 and 32 bits per pixel |
| Drives |   | DVD-ROM drive |
| Accessories |   | Audio output |
| Connectivity |   | Internet access |
| * If the graphics processing unit (GPU) shares system memory, then no additional memory is required. If it uses dedicated memory, at least 128 Mbytes is required. | ||
If you want to plan for the future, you should really opt for a Vista Premium PC. But what if you didn't have to be too concerned about hardware upgrades and could still have access to Vista's features? That is what machine virtualization can do. In fact, the common term for this process is desktop virtualization.
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 A virtual machine is really just a series of files in a folder. |
With desktop virtualization, you run Windows Vista inside a machine virtualization engine on a central server. Then you give users access to a virtual version of Vista through a remote connection. Users can continue to run older Windows operating systems on their actual desktops, but, through the remote session, access and use the new Vista feature set.
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