Planning a vSphere Upgrade
Many of my customers request help when preparing for an upgrade to the latest version of vSphere (recently, they've been wanting to upgrade vCenter to 6.5 on the vCenter Server Appliance, but this is generally a recurring request for each new version). And I get it, there's a lot of moving parts to consider when planning on an upgrade like this. So, I figured that I'd do a quick write-up about the process that I go through when planning for an upgrade like this. The first thing that I do is compile a big list of all of the solutions in the environment that are dependent on vCenter and ESXi. I just build a big spreadsheet with 4 columns: Solution, Current Version, Desired Version, and Notes. When collecting this list, it's important to consider other VMware solutions (such as vRealize Automation Center, Horizon, Network Insight, etc.), hardware platform (is this running on HP BL460c blades? Nutanix? IBM?), backup solutions (Avamar is very common amon...