![]() Certain versions of vSphere and vCenter Server cannot be upgraded directly to 6.5+, so be sure to check the VMware Product Interoperability Upgrade Matrix first.Ĭalling back a few paragraphs, I pointed out that vSphere has a very specific order of operations for upgrades. Before diving into upgrading vSphere, take inventory of what vSphere editions and VMware programs you have deployed in your environment. "Alright, the hardware and peripheral systems are ready to go, time to move on to VMware!". Is your storage platform compatible? What about your backup solution? Are there any vCenter plugins in use? Potentially many systems could be impacted by a VMware upgrade that's not properly planned. So the host hardware is taken care of, what's next? Think about other systems that interact with vSphere. I know this from many calls to *insert hardware vendor here*. One of the first things the vendor's tech support engineer is going to tell you to do is to upgrade the BIOS to troubleshoot any problems you may call in with. This helps to keep your hardware secure and up to the manufacturers recommended levels. The host hardware vendor may also provided information about compatible versions of ESXi on their website.Įven in the event that the existing BIOS and firmware is compatible with ESXi 6.0 or higher, now is a great time to upgrade. Take a look at host BIOS and firmware as well. Validate that the hardware is compatible with the version of ESXi you are upgrading to via the VMware Compatibility Guide. Let's start with the host servers the hardware ESXi calls home. Before we dive into the VMware aspects, there are other variables to consider. The vSphere platform has a very specific upgrade path you need to follow to ensure no service interruptions during the process. ![]()
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December 2022
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