Technical Resources |
Knowledge Base |
ESX Server 2.5.2 Release Notes
Check back frequently for additions
and updates to these release notes.
Version 2.5.2 | 9/15/05 | Build 16390
Last Document Update: 9/27/05
What's in the Release Notes
The release notes cover the following topics:
(Update: 10/17/05) Support for the dual-core Intel Xeon processor, codenamed "Paxville".
For details on the support of servers based on this processor, see the
Guide for ESX Server 2.x
Support for new servers from HP, IBM, and Dell,
including servers using AMD dual-core Opteron processors such as the HP ProLiant DL585.
For details on the new servers supported by ESX Server 2.5.2, see the
Guide for ESX Server 2.x
Expanded support for a wide range of hardware and software.
ESX Server 2.5.2 supports new
guest operating systems,
backup software, and
If you are managing ESX Server with VMware VirtualCenter,
you must use VirtualCenter 1.3, available now!
VMware typically publishes lists of issues resolved with
each product at or around the time of the specific
A list of issues resolved in ESX Server 2.5, 2.5.1, and 2.5.2 is available at
Release Notes for ESX Server 2.5 and 2.5.1
The ESX Server 2.5.1 Release Notes are available at
The ESX Server 2.5 Release Notes are available at
Before You Begin
Please refer to the following before you install or upgrade ESX Server:
Check the VMware Knowledge Base for updates to the issues
described in this document. To review all Knowledge Base articles
related to ESX Server 2.5.2,
search for the keyword "esx252".
For any known issue that has a Knowledge Base article link, please use this path to access the article.
Change the Knowledge Base number in the URL.
Compatibility with VMware VirtualCenter
VirtualCenter 1.3 supports ESX Server 2.5.2. However, ESX Server 2.5.2 is not supported by previous VirtualCenter releases.
Security Alerts for This Release
As of this writing, no security alerts have been identified specifically
for ESX Server 2.5.2.
Please refer to KB 1107
for VMware product security alerts.
Guest Operating System
You can find the latest version of the Guest Operating System Installation Guide by following these links:
Note: Due to ongoing certification, please check the
SAN Compatibility Guide for ESX Server 2.x to see if your array is listed
Installation Notes for This Release
Configuring Your System to Install Boot-From-SAN
For general instructions on configuring ESX Server for boot-from-SAN operation, see the
ESX Server SAN Configuration Guide.
For hardware compatibility with ESX Server, see the
Compatibility Guides available at
If you are using a preboot execution environment (PXE),
a boot-from-SAN operation will fail and
is not supported for this version of ESX Server.
Only a local disk PXE installation is supported.
Installing the VMware Virtual SMP Product
If you have purchased the VMware Virtual SMP product, then you can create Symmetric Multiprocessing (SMP) virtual
machines, with single or dual virtual CPUs. You install the Virtual SMP product during your ESX Server installation by inserting
its serial number during the licensing step of your ESX Server installation.
Upgrading a Previous ESX Server Release to ESX Server 2.5.2
ESX Server 2.5.2 supports upgrading from the following previous releases:
To upgrade from previous versions of ESX Server to ESX Server 2.5.2, use the installation CD-ROM. This is the CD you received from
VMware or the CD you created from the ISO image file you downloaded from the VMware site. For upgrade instructions, see "Upgrading
from a Previous Release of ESX Server" in the
ESX Server Installation Guide,
- ESX Server 2.5.1 (and with patches)
- ESX Server 2.5 (and with patches)
- ESX Server 2.1.2 (and with patches)
- ESX Server 2.1.1
- ESX Server 2.1
- ESX Server 2.0 Security Update
- ESX Server 2.0.1 (and with patches)
- ESX Server 2.0.1 Security Update
Upgrading from a Tar Archive
If you are using the downloaded tar archive, note the filename of the download file and make appropriate substitutions
in the file and directory names shown below.
Note: Using the tar archive, upgrading directly from releases prior to ESX Server 2.0 is not supported.
- Shutdown or suspend all virtual machinese and boot into Linux.
/sbin/lilo -R linux
- Log on as root.
- Make a directory named download (or use another name of your
choice.) This directory must be accessible to the service console on the server you want to upgrade.
- Save the file esx-2.5.2-16390-upgrade.tar.gz to this directory.
- Change to the download directory.
- Extract the contents of the file.
tar zxf esx-2.5.2-16390-upgrade.tar.gz
- Change to the directory esx-2.5.2-16390-upgrade.
- Run the upgrade script.
- You see various messages about the upgrade process.
- When prompted, reboot the system. When the system reboots, you are
finished upgrading VMware ESX Server.