>Are you passing a different name to PcRegisterSubdevice the second time around? The subdevice name passed to PcRegisterSubdevice (which I base on the DAB service ID number) is unchanged, only the friendly name is changed. I'm guessing now I should be using a different name for the subdevice, is that right? Jeff ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/