It is recommended to upgrade to the latest version of the plugin before troubleshooting any issues. Every plugin release has new fixes and enhancements; see Release Notes: Everpure Plugin for the vSphere Client for more information.
If you do not see your issue here, please make a Jira and investigate the virgo logs for anything interesting. This guide will occasionally be updated to reflect issues customers can see and fix themselves from the vSphere plugin troubleshooting wiki.