Updates that are released for Lync Server 2013
Update for Core Components
2781550 Description of the cumulative update for Lync Server 2013, Core Components: February 2013
Update for Conferencing server
2781551 Description of the cumulative update for Lync Server 2013, Conferencing Server: February 2013
Update for Web Components server
2781564 Description of the cumulative update for Lync Server 2013, Web Components: February 2013
Update for Standard or Enterprise edition server
2781547 Description of the cumulative update for Lync Server 2013: February 2013
Update for Web Conferencing server
2787570 Description of the cumulative update for Lync Server 2013, Web Conferencing Server: February 2013
Update for Mediation server
2796554 Description of the cumulative update for Lync Server 2013, Mediation Server: February 2013
Update for Unified Communications Managed API 4.0, Core Runtime 64-bit
2781555 Description of the cumulative update for Lync Server 2013, Unified Communications Managed API 4.0 Runtime: February 2013
Update for Call Park Service
2781549 Description of the cumulative update for the Lync Server 2013 Call Park service: February 2013
More information can be found here; download CU1 Installer Package here;
Update the database after the installation
After you install the update for the Core Components server role on a Lync Server 2013 Enterprise Edition front end server or on a Lync Server 2013 Standard Edition server, the updated SQL databases on the server are dropped. To apply the database changes, run the following cmdlet.
Lync Server 2013 Standard Edition (SE)
Install-CsDatabase -ConfiguredDatabases -SqlServerFqdn SE.FQDN -Verbose
Note You must run the cmdlet on the Lync Server 2013 Standard Edition server.