When attempting to join a Lync 2013 meeting by clicking on the meeting link from an email or calendar item, the only option is to join using the Lync Web Client even though the Lync client is installed on the local machine.
Adding the meeting URL domain to the Compatibility View Settings
- Launch Internet Explorer and click on the Tools icon in the top right hand portion of the browser window or press Ctrl+x.
- Select Compatibility View settings from the menu
- From the Compatibility View Settings window, type partnerhosted.com in the Add this website: field and click Add. Click Close when done.
- When finished, close IE 11.