This issue occurs when you do not add a user to your contact list in Microsoft Lync for Mac 2011 that has enhanced privacy mode
for Microsoft Lync Server 2013 enabled. When this issue occurs, you cannot see the presence state of the user, and the following options are greyed out in the contact list:
- Call out
- Start a video call
- Send an instant message
In enhanced privacy mode, the presence state of the users who are not added to your contact list is displayed as Offline
in Lync for Mac 2011.