
VMware, Inc. 65
Chapter 2 Installing and Configuring ESX Server
Upgrading from ESX Server 1.5.2 or ESX Server 2.x.x
To upgrade from ESX Server 1.5.x or 2.x.x to ESX Server 2.5, use the installation
CD-ROM.
1 Insert the installation CD into the server’s CD-ROM drive.
2 Start the computer.
The system begins booting from the CD-ROM. If it does not boot, change the BIOS
setting to allow the system to boot from CD-ROM.
3 At the first installer screen, choose Upgrade Existing System.
4 At the End User License Agreement screen, accept the terms of the agreement.
5 If you do not have enough swap space for the new service console, the installer
asks you where to place a new swap file. Accept the default location unless you
have a specific reason for using a different one.
The installer upgrades your ESX Server installation.
6 When the upgrade completes and displays the final screen, restart.
The machine keeps the device allocations that you previously set up.
7 You can improve virtual machine performance by upgrading the VMFS volume
from VMFS-1 to VMFS-2.
See the VMware ESX Server Administration Guide.
N
OTE During an ESX Server upgrade, network options cannot be changed.
CAUTION Upgrading directly from ESX Server 1.0 or 1.1 to ESX Server 2.5 is not
supported.
NOTE FTP and Telnet services are automatically disabled during the server upgrade. If you
had FTP and Telnet services enabled on your ESX Server machine before performing the
upgrade, you need to reset these services. To reset these services, log in to the VMware
Management Interface, select the Options tab, and use the Security Settings control
panel to reset the settings.
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