About This Book - VMware ESX 4.0 - UPGRADE GUIDE UPDATE 1 Update Manual

About This Book

The vSphere Upgrade Guide describes how to upgrade from earlier versions of VMware
VMware vCenter™ Server to ESX 4.0/ESXi 4.0 and vCenter Server 4.0.
This guide includes the following tasks:
Upgrade to vCenter Server 4.0.
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Install vCenter Server 4.0 on a different machine and keep the VirtualCenter 2.x database. You would do
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this if you are upgrading from a 32-bit server to a 64-bit server, for example.
Upgrade to ESX 4.0 from ESX 3.x.
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Upgrade to ESXi 4.0 from ESXi 3.5.
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Upgrade to ESX 4.0 from ESX 2.5.x using upgrade VMotion.
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Upgrade to ESX 4.0 from ESX 2.5.x using cold migration.
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Change ESX to ESXi and the reverse.
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Upgrade VMware Tools and virtual hardware.
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To learn how to simplify and automate your datacenter upgrade, see the vCenter Update Manager Administration
Guide.
If you have legacy versions of ESX, ESXi, and VirtualCenter, and you want to migrate to
VMware vsphere™ 4.0 by performing fresh installations that do not preserve existing data, see the following
manuals:
ESX and vCenter Server Installation Guide
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ESXi Installable and vCenter Server Setup Guide
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ESXi Embedded and vCenter Server Setup Guide
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Intended Audience
This book is intended for anyone who needs to upgrade from earlier versions of ESX/ESXi and vCenter Server
to ESX 4.0/ESXi 4.0 and vCenter Server 4.0. The information in this manual is written for experienced Microsoft
Windows or Linux system administrators who are familiar with virtual machine technology and datacenter
operations.
Document Feedback
VMware welcomes your suggestions for improving our documentation. If you have comments, send your
feedback to docfeedback@vmware.com.
VMware, Inc.
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ESX™, ESXi, and
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