H, As I want to add a channel device programmatically via libvirt API , I got an error due to the fact that the Guest has no VirtIO Serial Controller in its configuration. Is it possible to add it via libvirt API ? Thx for help. Regards, J.P. Ribeauville P: +33.(0).1.47.17.20.49 . 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.