- User A and user B joins an Instant Message (IM) conference by using Microsoft Lync 2010.
- An SQL Back-end failover occurs.
- During and after the failover, the conference roster is changed because of an action. For example, a user joins or leaves the conference.
Note after the update is applied, Lync 2010 rejoins the focus conferencing component when the client receives the 488 not acceptable here response.
Article ID: 2623817 - Last Review: Nov 19, 2011 - Revision: 1