User or Group	Access to Session Object
Local Guest Group	Logon
Local Users Group	Logon, Message, Connect, Query Information
Local Administrators Group	Logon, Message, Connect, Query Information, Set Information, Reset, Shadow, Logoff, Disconnect
LocalSystem	Same as Local Administrators Group

Figure 7   WTS_CONFIG_CLASS

typedef enum _WTS_CONFIG_CLASS {
    WTSUserConfigInitialProgram,             
    WTSUserConfigWorkingDirectory,           
    WTSUserConfigfInheritInitialProgram,     
    WTSUserConfigfAllowLogonTerminalServer, 
    WTSUserConfigTimeoutSettingsConnections,     
    WTSUserConfigTimeoutSettingsDisconnections, 
    WTSUserConfigTimeoutSettingsIdle,           
    WTSUserConfigfDeviceClientDrives,          
    WTSUserConfigfDeviceClientPrinters,         
    WTSUserConfigfDeviceClientDefaultPrinter,   
    WTSUserConfigBrokenTimeoutSettings,         
    WTSUserConfigReconnectSettings,             
    WTSUserConfigModemCallbackSettings,         
    WTSUserConfigModemCallbackPhoneNumber,      
    WTSUserConfigShadowingSettings,             
    WTSUserConfigTerminalServerProfilePath,     
    WTSUserConfigTerminalServerHomeDir,       
    WTSUserConfigTerminalServerHomeDirDrive,    
    WTSUserConfigfTerminalServerRemoteHomeDir,  
} WTS_CONFIG_CLASS;

Figure 8   Shutdown APIs

API	Specify a Remote Server?	Cancel Shutdown?	Special Features
ExitWindowsEx	No	No	Logoff interactive user
InitiateSystemShutdown	Yes	Yes, via AbortSystemShutdown	Specify a timeout before proceeding with shutdown and send a message to the interactive user
WTSShutdownSystem	Yes	No	Logoff all interactive users and not allow them to logon until a reboot