Microsoft Lync and Skype for Business have a rich set of .NET APIs which make it easy to extend the platform and integrate it with other applications. This blog helps explain how to use those APIs.

Lync 2013 UI suppression registry setting

Posted: December 14th, 2012 | Author: | Filed under: Lync 2013 SDK | 1 Comment »

There have been a number of changes in the locations of Lync client registry settings in Lync 2013. One change that seems to be causing confusion is the new location for the registry setting that controls UI suppression. Continue reading “Lync 2013 UI suppression registry setting” »


“Client is not trusted” error on Lync SDK apps and persistent chat add-ins

Posted: December 3rd, 2012 | Author: | Filed under: Lync 2013 SDK | 5 Comments »

The conversation window extension (CWE) feature in the Lync client can be quite useful, but it can also at times be incredibly painful to debug. Often the extension panel simply won’t load your application, or the application will load but won’t work correctly. Figuring out what has gone wrong can be a frustrating guessing game if you don’t know where to look. To compound the problem, the configuration necessary to get the CWE working has changed from Lync 2010 to 2013. The CWE problem that has bitten me the most frequently is misconfigured trusted sites, and I wanted to quickly review how this works in both versions of Lync. Continue reading ““Client is not trusted” error on Lync SDK apps and persistent chat add-ins” »