Lync Server 2010 Hotfix KB 2493736
Updates that are released for Lync Server 2010
Update for Administrative Tools
2467771 (https://support.microsoft.com/kb/2467771/ ) Description of the update package for Lync Server 2010, Administrative Tools: January 2011
Update for Core Components
2500444 (https://support.microsoft.com/kb/2500444/ ) Description of the cumulative update for Lync Server 2010, Core Components: April 2011
Update for Conferencing Server
2514975 (https://support.microsoft.com/kb/2514975/ ) Description of the cumulative update for Lync Server 2010, Conferencing Server: April 2011
Update for Web Components Server
2500441 (https://support.microsoft.com/kb/2500441/ ) Description of the update package for Lync Server 2010, Web Components Server: April 2011
Update for Standard/Enterprise edition Server
2500442 (https://support.microsoft.com/kb/2500442/ ) Description of the update for Lync Server 2010: April 2011
Update for Web Conferencing Server
2530592 (https://support.microsoft.com/kb/2530592/ ) Description of the cumulative update for Lync Server 2010, Web Conferencing Server: April 2011
Update for Mediation Server
2502810 (https://support.microsoft.com/kb/2502810/ ) Description of the cumulative update for Lync Server 2010, Mediation Server: April 2011
Update for Unified Communications Managed API 3.0 Runtime
2500448 (https://support.microsoft.com/kb/2500448/ ) Description of the cumulative update for Lync Server 2010, Unified Communications Managed API 3.0 Runtime: April 2011
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