As the Live chat team is changing overtime and sometime a new Chat user was not set up properly to get them up and run. This post is just a note or reminder for all permission and configuration an admin has to do when assigning Live Agent permission: 1. Check Service Cloud User and Chat User on User Details. 2. In User Detail, assign Live Agent Representative and Sales Console User permission to them. 3. Assign new user in Live Chat queue 4. Add new user to Chat Agent Configurations 5. Add new user to Presence Configurations