These are described below.ġ) You need to have access to the Direct Console User Interface (DCUI) on the ESXi host that you want to roll back.Ģ) Make sure to get a configuration backup of your ESXi host. There are a few requirements and things to keep in mind when deciding to roll your vSphere ESXi installation back to a previous version of the hypervisor. What are the requirements for rolling back to a previous version of ESXi? Let's take a look. Looking at the boot.cfg to see the versions contained for ESXi rollback Rolling ESXi back may make sense and save you a lot of time in reloading, troubleshooting, or performing other time-intensive tasks to get to a known good state. These are just a few use cases you may encounter. Rolling the ESXi version back is easier than reloading ESXi from scratch and restoring configurations.Your upgrade failed in some way and the ESXi installation is not functioning correctly.Your standalone host may be at a higher version and you need to downgrade it. You are bringing a standalone ESXi host into an existing vSphere cluster.You need to revert to a previous version of ESXi for a particular reason due to compatibility, supportability for a specific set of hardware, etc.You have taken a patch that is causing issues in your environment.However, there are several reasons why you might want to roll back the ESXi version that is installed on your ESXi host. We have already touched on one potential issue in the introduction.
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#Vmware esxi 6 versions how to#
In this post, we will take a look at how to roll back and downgrade ESXi versions to get back to a good state. However, there is another way with the potential to restore a good working state with your VMware ESXi host – rolling back the ESXi version. Of course, you can always simply boot from an ESXi ISO and reload ESXi from scratch, and then restore your configuration.
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However, you may get to a point where you know that your ESXi installation is now corrupt, you have taken a patch you didn't intend to take, or you have found compatibility issues in your environment with a newer ESXi version.