Consider the following scenario:
- Microsoft Office 365 users (user A and user B) both have Microsoft Lync 2013 installed on their computers.
- User A is in an organization that is not federated with user B's organization.
- Neither user can enable an open federation.
- User A creates a Lync Online meeting.
- User B receives the meeting request from user A, and then user B clicks the Join Lync Meeting hyperlink in Outlook.
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