Front End server of Skype for Business Server 2015 crashes upon restart

Applies to: Skype for Business Server 2015

Symptoms


Assume that you apply a normalization rule to the address book, and then restart the Front End server of Microsoft Skype for Business Server 2015. In this situation, the RTCSrv.exe service crashes.  

Resolution


To fix this issue, install the November 2016 cumulative update 6.0.9319.272 for Skype for Business Server 2015.