Upgrade Notes-02

vCenter Update Manager also performs automatic backups of your virtual machines in case you need to roll back after the upgrade

You can manage ESX 2.x as standalone hosts in a vCenter Server system. ESX 2.x hosts cannot be added to clusters.

VMware Distributed Resource Scheduler does not work while the upgrade is in progress. VMware HA does work during the upgrade.

when you upgrade VMware tools, VMware tools are basically uninstalled and new version is installed.

When VM has Virtual hardware version 4.0, you can move those VM’s between ESX4.0 and ESX3.5 using vMotion. In other words virtual machines with Hardware version7.0 is not supported on ESX3.5 host or below.

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