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Knowledge Base

Checking media integrity for ESX/ESXi host installations or upgrades (1003674)

Last Updated: 3/20/2024Categories: TroubleshootingTotal Views: 10021Language:
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Symptoms

ESX/ESXi Server host installation errors before completion.

ESX/ESXi Server host upgrade errors before completion

ESX/ESXi Server host installation fails to complete

ESX/ESXi Server host upgrade fails to complete

Purpose

This document guides you through confirming the integrity of your ESX/ESXi Server install or upgrade media.

Resolution

For typical ESX/ESXi Server installations and upgrades, an ISO image of a CD/DVD is downloaded from VMware. You then record that file onto a CD/DVD-ROM, and boot the ESX/ESXi Server host from that disc.

If you have a production CD/DVD-ROM from VMware and it is version 3.x, and want to check the integrity, go to the CD/DVD-ROM Media Test section below.

Checking the Download Integrity

If you are downloading an ISO from VMware. It is a good idea to to check the integrity of the downloaded file, prior to recording to a CD/DVD-ROM. The steps below outline how to do this:

Create an MD5 checksum of the downloaded file. For more information, see Using MD5 Checksums .

Compare the newly created MD5 checksum with the MD5 checksum published by VMware.

If the checksums match, the images are identical, record the file to CD/DVD-ROM and go to the CD/DVD-ROM Media Test section outlined below (only for 3.x).

If the checksums do not match, download the image again. Consider these alternatives:

If you have a choice of file types to download, like .exe or .zip, try the other type(s).

Use a different web browser.

Use a different program for downloading.

Use a different computer and/or a different operating system (perhaps using a virtual machine).

Repeat steps 1 - 4 until the checksums match. When the checksums match, record the file to CD/DVD-ROM and proceed to the CD/DVD-ROM Media Test section.

CD/DVD-ROM Media Test

For ESX Server 3.0.x and ESX Server 3.5.x installations and upgrades, a CD media integrity test is one of the first steps of the installation or upgrade.

Note: For ESXi 3.x - 5.x and ESX 4.x you'll want to complete the above steps to verify your media, there is no test media option from CD/DVR-ROM in these versions.

After choosing whether you want to complete a graphical or text installation, you see this screen:

Click Test to have the installer inspect the installation CD/DVD-ROM media for errors.

If you click Skip, the installation or upgrade continues, skipping the integrity check.

If you click Test, a progress bar appears. The CD/DVD-ROM media is being tested for errors. When testing is complete, a Media Check Result dialog box appears. Click OK.

If the test fails, try recording the image onto CD/DVD-ROM again, repeating until the test succeeds. Consider these alternatives:

Using a high quality CD-R/DVD+-R media.

Recording at a slower speed.

Using a different recording program.

Detectable by VMware SkylineTM

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End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

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