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VMware Virtualization Technology

VMware Virtualization Technology


Intel VT and AMD-v

In order to be able to use the systems as the Hypervisor to install ESXi on the hardware. There is a setting that needs to be configured properly in BIOS. That setting is called Intel-VT for intel inside servers and AMD-v for those machines with the AMD processors.


Intel® Virtualization Technology (Intel® VT) represents a growing portfolio of technologies and features that make virtualization practical by eliminating performance overheads and improving security. Intel® VT provides hardware assist to the virtualization software, reducing its size, cost, and complexity. Special attention is also given to reduce the virtualization overheads occurring in cache, I/O, and memory. Over the last decade or so, a significant number of hypervisor vendors, solution developers, and users have been enabled with Intel® VT, which is now serving a broad range of customers in the consumer, enterprise, cloud, communication, technical computing, and many more sectors.(courtesy of Intel.com website)

Intel VT includes:

  • CPU Virtualization
  • Memory Virtualization
  • I/O Virtualization
  • Intel Graphics Virtualization Technology (Intel GVT)
  • Virtualization of Security and Network Functions

AMD Virtualization (AMD-V™) technology is a set of on-chip features that help you make better use of and improve the performance of your virtualization resources.(AMD.com)