Response Group service crashes when you change the value in the dbo.Agents table in Skype for Business Server 2015

Symptoms

In a Microsoft Skype for Business Server 2015 environment, if you manually change a value in the UserSid column in the dbo.Agents table of the rgsconfig database, the Skype for Business Server Response Group service (RGS) crashes.

Cause

This problem occurs because the records in the RGS database table are corrupted when you manually change the UserSid value.

Resolution

To fix this problem, install the following cumulative updates:

• March 2016 cumulative update 6.0.9319.235 for Skype for Business Server 2015, Response Group Service

• March 2016 cumulative update 6.0.9319.235 for Skype for Business Server 2015, core components