The Client Integration Plug-in provides access to a virtual machine's console in the vSphere Web Client, and provides access to other vSphere infrastructure tasks.
You use the Client Integration Plug-in to deploy OVF or OVA templates and transfer files with the datastore browser. You can also use the Client Integration Plug-in to connect virtual devices that reside on a client computer to a virtual machine.
You install the Client Integration Plug-in only once to connect virtual devices to virtual machines that you access through an instance of the vSphere Web Client. You must restart the browser after you install the plug-in.
If you install the Client Integration Plug-in from an Internet Explorer browser, you must first disable Protected Mode. Internet Explorer identifies the Client Integration Plug-in as being on the Internet instead of on the local intranet. In such cases, the plug-in does not install correctly because Protected Mode is enabled for the Internet.
The Client Integration Plug-in also enables you to log in to the vSphere Web Client using Windows session credentials.
For information about supported browsers and operating systems, see the vSphere Installation and Setup documentation.