When designing your VMware Horizon infrastructure, creating a master virtual desktop image is second only to infrastructure design in terms of importance. The reason for this is simple: as ubiquitous as Microsoft Windows is, by default, it is not optimized for use as a virtual desktop.
The good news is that, with a careful bit of planning and a thorough understanding of what your end users need, you can build a Windows desktop that serves all your needs, while requiring the bare minimum of infrastructure resources.
A default installation of Windows contains many optional components and configuration settings that are either unsuitable for, or likely not needed in, a Horizon environment. Understanding the impact of these items and settings plays an important part in keeping the performance of the Horizon infrastructure consistent over time...