When installing a new vSphere environment i always forget the IE settings to make the web client plugin work So here is a short overview for the correct settings in IE11. (for vSphere 5.5 and 6.x) and installation of the client plugin First uninstall web client integration plugin if you already installed it. After that, do your IE settings first before installing the plugin again. So open IE and go to settings and click on manage add-ons. Look for "Shockwave Flash Object" and select it. If the status says  'disabled' then click on the enable button in the button right [...]