Terminal Service Manager manages/starts/stops all terminal sessions. Console session -very first terminal session to load and is the keyboard, mouse, and video that are connected to the terminal server.(sessionID0) Big picture: Terminal Server boots and loads core Operating System(OS). Terminal Service Manager starts, listens for session connections, assigns unique sessionID for each connection. Terminal Service Manager creates console session, calls Windows Session Manager (smss.exe) to create two client sessions. Smss.exe starts the Client-Server Run-time Subsystem (csrss.exe) with new sessionID. Csrss.exe starts winlogon.exe.