Default Reasoning

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Upgrading ESXi 5.0 host to ESXi 5.1

Posted by Marek.Z on 13 September 2012

In the last article I have covered the upgrade process from vCenter Server 5.0 to vCenter server 5.1. In this article I will cover a quick how to on upgrading your ESXi host to version 5.1. In this case, I will perform an in place upgrade of the host. Before you proceed with upgrade in your production environment, please read chapter 6 “Upgrading and Migrating Your Hosts” from the vSphere Upgrade guide.

  1. Boot your server from the CD or USB drive containing the ESXi 5.1 installer.
  2. Press Enter to start the interactive installer. 
  3. When the files are loaded, press Enter to continue.
  4. Press F11 to accept the EULA.
  5. Select the disk containing previous installation of ESXi and press Enter. 
  6. When the scanning is completed you will be presented with the following message. Select the Upgrade option and press Enter to continue. 
  7. Press F11 to confirm the upgrade of your ESXi host. 
  8. When the installer finishes the upgrade, remove the installation media from the host and press Enter to reboot.
  9. When the hosts reboots, you should see the familiar screen with the software version , host name and IP address. 

That’s it! You are done. This process takes literally minutes to complete. :)

Cheers!

- Marek.Z

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This entry was posted on 13 September 2012 at 12:09 and is filed under ESXi 5, ESXi 5.1, How To, upgrade, VMware, vSphere. Tagged: , , , , , . You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

5 Responses to “Upgrading ESXi 5.0 host to ESXi 5.1”

  1. Andreas Peetz said

    14 September 2012 at 11:18

    Hi Marek, nice write-up! I described another method to update to ESXi 5.1 on my blog. It doesn’t require booting with the CD and is even faster (once you managed to download the ESXi 5.1 Offline Bundle …). See http://v-front.blogspot.de/2012/09/how-to-update-your-free-whitebox-esxi.html
    - Andreas

    Reply

  2. Luis Alberto said

    14 September 2012 at 17:58

    Muy buen articulo.

    Reply

  3. Actualizando Esxi 5.0 a Esxi 5.1 | El laboratorio de Manel said

    19 September 2012 at 23:55

    [...] un CD o USB de arranque e indicar que queremos hacer un “upgrade” como explican aqui, pero en mi caso tengo el servidor sin monitor, ni ratón, ni teclado y es un poco engorroso [...]

    Reply

  4. vSphere Update Manager upgrade to vSphere 5.1 | VMwaremine - Mine of knowledge about virtualization said

    23 October 2012 at 10:25

    [...]  booting server from ESXi 5.1 ISO image and perform upgrade in place (from http://defaultreasoning.com) [...]

    Reply

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