Skype for Business Server 2015 Front-End service may crash in Windows Server 2016

Applies to: Skype for Business Server 2015

Symptoms


When you configure multiple Microsoft Skype For Business Front-End pools on computers that are running Windows Server 2016, the Skype For Business Server Front-End service (RTCSrv.exe process) may be unable to start and crash in crypt32.dll.

Cause


This issue occurs because the certificate chain of a certificate that's used by a Front-End server in a different pool cannot be validated.

Resolution


To fix this issue, install the following updates: