UCWA client cannot make a call or join a meeting after installing Skype for Business Server update. 537 (CU8) for Microsoft Skype for Business Server 2015, the Unified Communications Web API (UCWA) applications, such as Skype for Business on Mac, a web application for UCWA, and Skype for Business mobile clients, can’t make a call or join a meeting. For more information, see the following article: Known issuesĪfter you install the January 2019 cumulative update.
For more information, see the 'Prerequisites' section. Important: The prerequisites for Skype for Business Server 2015 updates have changed because of the additional fix that's documented in KB 5006106.
