Upgrading vCenter Server Appliance VCSA with External PSC from 6.0 U1 to 6.0 U3b

We Were planing to upgrade our environment to latest version 6.5 but after checking Compatibility Guide , we decide to choose to remain on the 6.0 level for now  , so let's take a quick look at how to upgrade VCSA 6.0 U1 with External PSC to 6.0 U3b , You can learn more about the features…