Changes To The Upgrade Process; Vcenter Server Upgrade; Host Upgrade - VMware ESX 4.0 - UPGRADE GUIDE UPDATE 1 Update Manual

Changes to the Upgrade Process

VMware vSphere introduces many changes to the upgrade process for vCenter Server and ESX/ESXi.
This chapter includes the following topics:

"vCenter Server Upgrade,"

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"Host Upgrade,"

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"Datastore Upgrade,"
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"Virtual Machine Upgrade,"
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"Licensing,"
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vCenter Server Upgrade
The process of upgrading VirtualCenter includes several changes from the upgrade process in previous
releases.
When you upgrade from VirtualCenter 2.x to vCenter Server 4.0 Update 1, consider the following:
The unified installer is no longer supported.
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The
autorun.exe
vCenter Server
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vCenter Guided Consolidation
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vSphere Client
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vCenter Update Manager
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vCenter Converter
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The database schema upgrade occurs before the upgrade to vCenter Server. This ensures that your existing
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version of VirtualCenter 2.x remains in place until the database schema upgrade completes successfully.
When the database schema upgrade is successful, the upgrade to vCenter Server begins.
vSphere 4.0 Update 1 introduces the vCenter Agent Preupgrade Check tool, which helps ensure a
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successful upgrade to vCenter Server 4.0 Update 1.
Host Upgrade
The process of upgrading ESX/ESXi hosts includes several changes from the upgrade process in previous
releases.
When you upgrade from ESX 3.x/ESXi 3.5 to ESX 4.0/ESXi 4.0, you can use either the vSphere Host Update
Utility or vCenter Update Manager.
VMware, Inc.
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executable file provides an HTML interface that presents the following installers:
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