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Section 10 Upgrading ESX 4.0 Update 1 to
ESX 4.1
ESX 4.1 is supported from SV5.1 revision. Performing upgrades of the virtual
environment is best performed during a maintenance shutdown to minimize impact
on production environments. Before performing any major actions on a computer
system, backups should be made. For an 800xA system running virtualized, this
means making a backup of the virtual machines, and reviewing the documentation
describing the configuration or the ESX server.
When performing the upgrade, the ESX server must be placed in maintenance
mode. This means that all of the virtual machines must be either migrated to another
ESX server, or be shutdown.
The upgrade is performed from one of the clients connected to the ESX server using
the VMware CLI (Command Line Interface)
Download Upgrade Files
1. Browse to the VMware web site, www.vmware.com.
2. Select Support & Downloads.
3. Select VMware vSphere.
4. Select the Product Downloads tab.
5. Scroll down to the Standard product group.
6. Press the Download button for VMware ESX 4.1.
VMware CLI is a requirement for installing updates.
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