Creating the request on behalf of a customer(Survey Monkey)
When initiating the Lifesize Client application, the camera on the Apple Thunderbolt 27" is not recognized.
By running the following command on terminal the camera on the Apple Thunderbolt 27" then becomes discoverable:
sudo killall VDCAssistant
It would be convenient for users to not run this command every time they need to use the Apple Thunderbolt 27" or other Apple Displays that require this procedure.