Hi, When adding a channel device on a Win2008R2 Guest, I got this new thing within registry : Key Name: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\{6FDE7547-1B65-48ae-B628-80BE62016026}\VIOSerialPort\4&7e8053e&0&02 Class Name: <NO CLASS> Last Write Time: 9/16/2015 - 4:09 PM Value 0 Name: DeviceDesc Type: REG_SZ Data: vport0p2 Value 1 Name: Capabilities Type: REG_DWORD Data: 0xe6 Value 2 Name: UINumber Type: REG_DWORD Data: 0x2 Value 3 Name: ConfigFlags Type: REG_DWORD Data: 0 Value 4 Name: HardwareID Type: REG_MULTI_SZ Data: {6FDE7547-1B65-48ae-B628-80BE62016026}\VIOSerialPort Value 5 Name: CompatibleIDs Type: REG_MULTI_SZ Data: Value 6 Name: ContainerID Type: REG_SZ Data: {90e92d57-5573-11e5-9d8e-806e6f6e6963} Value 7 Name: LocationInformation Type: REG_SZ Data: RedHat VIOSerial Port Key Name: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\{6FDE7547-1B65-48ae-B628-80BE62016026}\VIOSerialPort\4&7e8053e&0&02\LogConf Class Name: <NO CLASS> Last Write Time: 9/16/2015 - 4:10 AM Key Name: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\{6FDE7547-1B65-48ae-B628-80BE62016026}\VIOSerialPort\4&7e8053e&0&02\Control Class Name: <NO CLASS> Last Write Time: 9/16/2015 - 4:09 PM How may I use theses infos to get/send datas to the host via this channel ? Thanks for help. Regards, J.P. Ribeauville P: +33.(0).1.47.17.27.87 Puteaux 3 Etage 5 Bureau 4 jpribeauville@axway.com<mailto:jpribeauville@axway.com> http://www.axway.com<http://www.axway.com/> P Pensez à l'environnement avant d'imprimer.