Enterprise-class, type-1 hypervisor for deploying and serving virtual computers
VMware ESXi
Developer(s)
VMware (Broadcom)
Initial release
March 23, 2001; 23 years ago (2001-03-23)
Stable release
8.0 Update 2 (Build 22380479)[1]
/ September 21, 2023; 7 months ago (2023-09-21)[2]
Platform
IA-32 (x86-32) (discontinued in 4.0 onwards),[3] x86-64, ARM[4]
Type
Native hypervisor (type 1)
License
Proprietary
Website
www.vmware.com/products/esxi-and-esx.html
VMware ESXi (formerly ESX) is an enterprise-class, type-1 hypervisor developed by VMware, a subsidiary of Broadcom, for deploying and serving virtual computers. As a type-1 hypervisor, ESXi is not a software application that is installed on an operating system (OS); instead, it includes and integrates vital OS components, such as a kernel.[5]
After version 4.1 (released in 2010), VMware renamed ESX to ESXi. ESXi replaces Service Console (a rudimentary operating system) with a more closely integrated OS. ESX/ESXi is the primary component in the VMware Infrastructure software suite.[6]
The name ESX originated as an abbreviation of Elastic Sky X.[7][8] In September 2004, the replacement for ESX was internally called VMvisor, but later changed to ESXi (as the "i" in ESXi stood for "integrated").[9][10]
^"Build numbers and versions of VMware ESXi/ESX".
^"VMware ESXi 8.0 Update 2 Release Notes".
^"VMware ESX 4.0 only installs and runs on servers with 64bit x86 CPUs. 32bit systems are no longer supported". VMware, Inc.
^"Announcing the ESXi-ARM Fling". VMware, Inc.
^"ESX Server Architecture". VMware. Archived from the original on 7 November 2009. Retrieved 22 October 2009.
^VMware:vSphere ESX and ESXi Info Center
^"What does ESX stand for?". Archived from the original on 20 December 2014. Retrieved 3 October 2014.
^"Glossary" (PDF). Developer’s Guide to Building vApps and Virtual Appliances: VMware Studio 2.5. Palo Alto: VMware. 2011. p. 153. Retrieved 9 November 2011.
^"Did you know VMware Elastic Sky X (ESX) was once called 'Scaleable Server'?". UP2V. 12 May 2014. Archived from the original on 10 June 2019. Retrieved 9 May 2018.
^"VMware ESXi was created by a French guy !!! | ESX Virtualization". ESX Virtualization. 26 September 2009. Retrieved 9 May 2018.
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