VMware ESXi Server Build Numbers

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I’ve been doing a fair bit of VMware patching recently so thought it would be useful to highlight the current and past versions of ESXi and how to check which version you are running. The latest version is 6.5 released last week 15th November, 2016.

As with any new software test in a development environment first before upgrading to a new major version, let others lead the way on the bleeding edge and wait for Patch 1 to be released.

Version 6.5
Version 6.0
Version 5.5
Version 5.1
Version 5.0

ESXi Build Numbers

ESXi 6.5

Version

Release Date

Build Number

Installer Build Number

ESXi 6.5 GA 2016-11-15 4564106 N/A

ESXi 6.0

Version

Release Date

Build Number

Installer Build Number

ESXi 6.0 Express Patch 7 2016-10-17 4510822 N/A
ESXi 6.0 Patch 3 2016-08-04 4192238 N/A
ESXi 6.0 Express Patch 6 2016-05-12 3825889 N/A
ESXi 6.0 Update 2 2016-03-16 3620759 N/A
ESXi 6.0 Express Patch 5 2016-02-23 3568940 N/A
ESXi 6.0 Update 1b 2016-01-07 3380124 N/A
ESXi 6.0 Express Patch 4 2015-11-25 3247720 N/A
ESXi 6.0 U1a (Express Patch 3) 2015-10-06 3073146 N/A
ESXi 6.0 U1 2015-09-10 3029758 N/A
ESXi 6.0.0b 2015-07-07 2809209 N/A
ESXi 6.0 Express Patch 2 2015-05-14 2715440 N/A
ESXi 6.0 Express Patch 1 2015-04-09 2615704 2615979
ESXi 6.0 GA 2015-03-12 2494585 N/A




ESXi 5.5

Version

Release Date

Build Number

Installer Build Number

ESXi 5.5 Patch 9 2016-09-15 4345813 4362114
ESXi 5.5 Patch 8 2016-08-04 4179633 N/A
ESXi 5.5 Express Patch 10 2016-02-22 3568722 N/A
ESXi 5.5 Express Patch 9 2016-01-04 3343343 N/A
ESXi 5.5 Update 3b 2015-12-08 3248547 N/A
ESXi 5.5 Update 3a 2015-10-06 3116895 N/A
ESXi 5.5 Update 3 2015-09-16 3029944 N/A
ESXi 5.5 Patch 5 re-release
2015-05-08 2718055 N/A
ESXi 5.5 Express Patch 7 2015-04-07 2638301 N/A
ESXi 5.5 Express Patch 6 2015-02-05 2456374 N/A
ESXi 5.5 Patch 4 2015-01-27 2403361 N/A
ESXi 5.5 Express Patch 5 2014-12-02 2302651 N/A
ESXi 5.5 Patch 3 2014-10-15 2143827 N/A
ESXi 5.5 Update 2 2014-09-09 2068190 N/A
ESXi 5.5 Patch 2 2014-07-01 1892794 N/A
ESXi 5.5 Express Patch 4 2014-06-11 1881737 N/A
ESXi 5.5 Update 1a 2014-04-19 1746018 N/A
ESXi 5.5 Express Patch 3 2014-04-19 1746974 N/A
ESXi 5.5 Update 1 2014-03-11 1623387 N/A
ESXi 5.5 Patch 1 2013-12-22 1474528 N/A
ESXi 5.5 GA 2013-09-22 1331820 N/A

ESXi 5.1

Version

Release Date

Build Number

Installer Build Number

ESXi 5.1 Patch 9 2016-05-24 3872664 N/A
ESXi 5.1 Patch 8 2015-10-01 3070626 N/A
ESXi 5.1 Patch 7 2015-03-26 2583090 N/A
ESXi 5.1 Update 3 2014-12-04 2323236 N/A
ESXi 5.1 Patch 6 2014-10-30 2191751 N/A
ESXi 5.1 Patch 5 2014-07-31 2000251 N/A
ESXi 5.1 Express Patch 5 2014-06-17 1900470 N/A
ESXi 5.1 Patch 4 2014-04-29 1743533 N/A
ESXi 5.1 Express Patch 4 2014-02-27 1612806 N/A
ESXi 5.1 Update 2 2014-01-16 1483097 N/A
ESXi 5.1 Patch 3 2013-10-17 1312873 N/A
ESXi 5.1 Patch 2 2013-07-25 1157734 N/A
ESXi 5.1 Express Patch 3 2013-05-23 1117900 N/A
ESXi 5.1 Update 1 2013-04-25 1065491 N/A
ESXi 5.1 Express Patch 2 2013-03-07 1021289 N/A
ESXi 5.1 Patch 1 2012-12-20 914609 N/A
ESXi 5.1.0a 2012-10-25 838463 N/A
ESXi 5.1.0 GA 2012-09-10 799733 N/A

ESXi 5.0

Version

Release Date

Build Number

Installer Build Number

ESXi 5.0 Patch 13
2016-06-14 3982828 N/A
ESXi 5.0 Patch 12
2015-10-01 3086167 N/A
ESXi 5.0 Patch 11 2015-02-24 2509828 N/A
ESXi 5.0 Patch 10 2014-12-04 2312428 N/A
ESXi 5.0 Patch 9 2014-08-28 2000308 N/A
ESXi 5.0 Express Patch 6 2014-07-01 1918656 N/A
ESXi 5.0 Patch 8 2014-05-29 1851670 N/A
ESXi 5.0 Patch 7 2014-01-23 1489271 N/A
ESXi 5.0 Update 3 2013-10-17 1311175 N/A
ESXi 5.0 Patch 6 2013-08-29 1254542 N/A
ESXi 5.0 Express Patch 5 2013-05-15 1117897 N/A
ESXi 5.0 Patch 5 2013-03-28 1024429 N/A
ESXi 5.0 Update 2 2012-12-20 914586 N/A
ESXi 5.0 Patch 4 2012-09-27 821926 822948
ESXi 5.0 Patch 3 2012-07-12 768111 N/A
ESXi 5.0 Express Patch 4 2012-06-14 721882 N/A
ESXi 5.0 Express Patch 3 2012-05-03 702118 N/A
ESXi 5.0 Express Patch 2 2012-04-12 653509 N/A
ESXi 5.0 Update 1 2012-03-15 623860 N/A
ESXi 5.0 Patch 2 2011-12-15 515841 N/A
ESXi 5.0 Express Patch 1 2011-11-03 504890 N/A
ESXi 5.0 Patch 1 2011-09-13 474610 474643
ESXi 5.0 GA 2011-08-24 469512 469965

How to check the build number of ESXi

The easiest way to determine your ESXi build number is to use the vSphere Client, connect to the vCenter Server and then select the hosts and clusters view, and look above the tabs in the right hand pane for the version and build number.

vsphere-client-vcenter-server-hosts-and-clusters-view

Resource links:
Correlating build numbers and versions of VMware products (1014508)

Build numbers and versions of VMware ESXi/ESX (2143832)

Determining the build number of VMware ESX/ESXi and VMware vCenter Server (1022196)

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