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VMware ESX 4.0, Patch Release ESX400-201206001 (2021025)

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Release Date: June 14, 2012

Download Filename
Download Size
603.3 MB



Host Reboot Required: Yes

Virtual Machine Migration or Shutdown Required: Yes

Bulletin ID Classification Knowledge Base Article
KB 2021023


Summaries and Symptoms

This patch contains security fixes for ESX 4.0. For more information, see the KB for the individual bulletin.

Best Practices for a Secure Environment

To ensure that you have the complete set of security fixes, VMware recommends that you first update to ESX 4.0 Update 4 and install all subsequent patches, including this one.

For instructions and system requirements, see the Upgrade Guide and the ESX 4.0 Patch Management Guide. Also read the ESX 4.0 Update 4 Release Notes for important information on the tools you use to upgrade ESX 4.0 to Update 4 and other tips.

Note: This upgrade will require rebooting the host and migration or shutdown of virtual machines.

Patch Download and Installation

Download the patch ZIP file from and install the bulletin using esxupdate from the command line of the host. For more information, see the ESX 4.0 Patch Management Guide.

Request a Product Feature

To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.


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