Updated: July 14, 2020 (February 3, 2014)

Important Dates for Communications Server and Lync Server

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

Support ended for Live Communications Server 2003 on Jan. 14, 2014. Shown here are important upcoming support dates for recent versions of Live Communications Server, Communications Server, and Lync Server. The Communicator and Lync clients follow the life cycles of the corresponding server versions.

The Lync technology has undergone several name and packaging changes. The server software was introduced as Live Communications Server 2003 and used the free Messenger software as its client. The commercial (Office) Communicator client appeared with Live Communications Server 2005. The server was renamed (Office) Communications Server 2007 with the release of the 2007 versions. The Lync name was introduced for both client and server with the 2010 versions.

Date	Version	Event
Apr. 14, 2015	Live Communications Server 2005	Extended support ends
Apr. 12, 2016	Lync Server 2010	Mainstream support ends
Jan. 9, 2018	Communications Server 2007

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