Cannot insert duplicate key row in object ‘dboAgents’ with unique index ‘IX_Agents_UserSid’ 2017-04-24 1 min read Skype for Business Erwin Bierens If you need to quickly move a user from one Response Group to another, you may well encounter the following error message…. Wait for the following message in the event viewer. (It takes some time to update) Then add the user to the new Reponse Group