Consider the following scenario:
Note If you run Internet Explorer as another user by using the Run as a different user option, this issue does not occur.
- You run Windows Internet Explorer 9 or a later version of Internet Explorer on a computer that is running Windows 7 or a later version of Windows in a Microsoft Lync Server 2013 environment.
- You sign in to Lync Web App as a guest.
- You click Join the meeting.
- You install the ActiveX plugin for Lync Web App.
Note If you run Internet Explorer as another user by using the Run as a different user option, this issue does not occur.