Skype meeting disconnection because of missing session refresh in Skype for Business Server 2015 Content provided by Microsoft Applies to: Skype for Business Server 2015 Select Product Version All Products Symptoms You might be disconnected from a Skype for Business meeting if the meeting lasts longer than 30 minutes hosted on Microsoft Skype for Business Server 2015. Cause The Skype meeting isn't getting refreshed at session expiry time interval. Resolution To fix this issue, install the August 2019 cumulative update 6.0.9319.562 for Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime. Last Updated: 5 Sep 2019 Was this information helpful? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.