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An independent comparison of VMware vSphere, Proxmox VE, Microsoft Hyper-V, and HPE Essentials to help IT decision-makers select the optimal virtualisation solution
In 1991, GEN began its journey as a VMware house, pioneering virtualisation technology when the concept was still in its infancy. For over three decades, we've witnessed the evolution of virtualisation from a novel approach to server consolidation into the backbone of modern IT infrastructure. By 2022, the virtualisation landscape had changed dramatically. Rising licensing costs, vendor lock-in concerns, and the need for greater control over our infrastructure led us to make a bold decision: migrate 2,600 nodes from VMware to Proxmox VE. This wasn't a decision made lightly—it represented decades of accumulated knowledge, careful planning, and a commitment to finding the best solution for our clients and our business. This guide is born from that experience. It's not theoretical—it's practical wisdom gained from managing thousands of virtualised workloads, navigating complex migrations, and understanding the real-world implications of platform choices. Whether you're evaluating your first virtualisation platform or considering a migration from your current solution, this guide provides the insights you need to make an informed decision. The virtualisation market in 2026 offers more choice than ever before. This guide cuts through the marketing noise to deliver honest, experience-backed comparisons that will help you choose the platform that's right for your organisation's unique needs.
Audience: IT Directors and CIOs, Systems Architects, IT Managers, Technical Decision-Makers, and Anyone considering a migration from VMware following recent licensing changes
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