I have worked on making DBusSharp a.k.a. Managed D-Bus interoperate better with a dbus4win-style session daemon. Check https://bugs.launchpad.net/ndesk-dbus/+bug/461988 . (While there, also note https://bugs.launchpad.net/ndesk-dbus/+bug/465711 and https://bugs.launchpad.net/ndesk-dbus/+bug/465716 .) --tml