Enhanced Authentication Plugin vSphere 6 5
The Enhanced Authentication Plug-in provides Integrated Windows Authentication and Windows-based smart card functionality. These are the only two features carried over from the previous Client Integration Plug-in. The Enhanced Authentication Plug-in can function seamlessly.
Procedure
Open a Web browser and type the URL for the vSphere Web Client.
At the bottom of the vSphere Web Client login page, click Download Enhanced Authentication Plug-in.
If the browser blocks the installation either by issuing certificate errors or by running a pop-up blocker, follow the Help instructions for your browser to resolve the problem.
Save the plug-in to your computer, and run the executable.
Step through the installation wizard for both the VMware Enhanced Authentication Plug-in and the VMware Plug-in Service which are run in succession.
When the installations are complete, refresh your browser.
On the External Protocol Request dialog box, click Launch Application to run the Enhanced Authentication Plug-in.
The link to download the plug-in disappears from the login page.