ESXi 5.1 to 5.5 update

Dear Experts,

We currently have a version of ESXi 5.1.0 1065491 installed with a customized Image of Dell. We would like to update to VMware ESXi 5.5 Update 2 (build 2068190). We downloaded the custom image VMware ESXi 5.5 Driver Details Dell Update 2 | Reference Dell U.S..

Is it just a matter of starting the host VMware .iso and then selecting Refresh as opposed to install? What we should consider before updating?

Thanks for your help.

Oliver

you're all set, but I still love allows you to check if you check these things before upgrade.

  1. Ensure that enough disk space is available on the host for the upgrade or migration. Migrating from ESX 4.x to 5.x ESXi requires 50 MB of free space on your VMFS datastore.
  2. If a San is connected to the host, detach the fibers before continuing with the upgrade or migration. Do not disable HBA cards in the BIOS.
    Note: this step does not apply to the ESX hosts boot from SAN network, they the Service Console on the SAN LUNS. You can disconnect LUN that contains the VMFS data store and do not contain the Service Console.
  • VMware strongly recommends that you back up your host before you perform an upgrade or migration, so that, if the upgrade fails, you can restore your host.
  • After the upgrade or migration, test the system to ensure that the upgrade or migration completed successfully.
  • Apply your licenses from the host. For more information, see Reappliquant Licenses after upgrade to ESXi 5.5 in the vSphereUpgrade Guide.

Also I suggest you to read the KB article. VMware KB: installation or upgrade to ESXi 5.5 best practices

And Yes, good luck for your upgrade

Tags: VMware

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