This post will give you an overview of vcenter 6.5 upgrade issue and its troubleshooting steps. Issues encountered during vCenter 6.0 to 6.5 Upgrade Issue1:- Invalid Appliance (OS) root password Description: – While Upgrading PSC appliance we need to provide OS *root* password and it was failing with invalid password. Resolution1: – Reset PSC OS… Continue reading vCenter 6.5 upgrade issue and troubleshooting