Starting and stopping the Sametime Video MCU Start or stop the IBM® Sametime® Video MCU Server with the Linux service command. ProcedureStart the Sametime Video MCU by completing the following steps: Log on to the server as root. Run the following command: service soft_mcu start Stop the Sametime Video MCU by completing the following steps: Log on to the server as root. Run the following command: service soft_mcu stop