- You deploy a proxy server that only support basic authentication in an organization. There is no DNS resolvers for Internet server in the organization.
- A Microsoft Lync 2013 user (user A) in the organization receives a meeting invitation from another user (user B). User B is in an organization that is not federated with user A’s organization.
- User A tries to join the meeting.
Note To do this, user A must access Internet through the proxy server.