Note: This article assumes you know how to setup Lync 2013 already and just need to know the intricacies of changing the default ports. Ever since I was exposed to Lync in 2011, I've been a huge proponent of using chat to communicate at work. Years ago, I recall corporate chat being a hard sell, but now it seems …

Note (2025): Lync Server 2010 and SQL Server 2012 are long out of support. The workaround below reflects what was done in 2013 to keep an existing deployment running; it is not a recommendation for modern environments. Prefer upgrading to a supported Skype for Business/Teams migration path and a supported SQL Server …