VMware Release Notes for vCenter Server Appliance 6.5.0a | 02 FEB 2017 | Build 4944578
vCenter/VCSA 6.5 should be upgraded to 6.5.0a before upgrading your host(s) to ESXi 6.5.0a!
Once in a while, things are easy. One of the selling points of making the big move from vCenter+Windows to VCSA has been the ease of VCSA upgrades through the handy VAMI web UI. Yep, works as advertised! This is a very easy upgrade, as shown screen-by-screen below.
- VCSA 6.5 with internet access
If your VCSA has no internet access, follow the offline install procedure at:
Here's my bubble caption at the beginning of the short and simple walk-thru video below:
Do this VCSA 6.5.0a upgrade in a test environment first! Before attempting, you should be sure to have a full backup, such as the simple native VCSA backup button seen at top-right. You can also use a 3rd party backup solution. At a minimum, you can do a snapshot of this VCSA VM before upgrading, make sure everything works alright, then remove the snapshot, ideally within a day or so, to avoid performance degradation
If you're looking for how you get from 6.0.x to 6.5, that's more of a migration, and the right article for you is over here:
If you're looking for how you get from ESXi 6.5.x to 6.5.0a, that article is over here:
- How to easily update your VMware Hypervisor to ESXi 6.5
Nov 20 2016