Best I can recall from memory plus brief research is that this is an activation parameter that the audio system passes to a remote audio endpoint activator. Stated another way, this is a creation parameter passed to a class factory for objects responsible for remoting sound in remote sessions. Frank Yerrace Microsoft This posting is provided "AS IS" with no warranties, and confers no rights. From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Dennis Scott Sent: Sunday, November 01, 2009 10:57 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: How to use structure "AUDIO_ENDPOINT_SHARED_CREATE_PARAMS" in APO (lfx / gfx) Thanks Frank, Is it possible for you to state where is this structure used?? MSDN simply states its for RDP audio end point. On Mon, Nov 2, 2009 at 12:13 PM, Frank Yerrace <Frank.Yerrace@xxxxxxxxxxxxx<mailto:Frank.Yerrace@xxxxxxxxxxxxx>> wrote: That structure is not for audio sysfx APOs. Frank Yerrace Microsoft This posting is provided "AS IS" with no warranties, and confers no rights. From: wdmaudiodev-bounce@xxxxxxxxxxxxx<mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx> [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx<mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx>] On Behalf Of Dennis Scott Sent: Sunday, November 01, 2009 9:20 PM To: wdmaudiodev@xxxxxxxxxxxxx<mailto:wdmaudiodev@xxxxxxxxxxxxx> Subject: [wdmaudiodev] How to use structure "AUDIO_ENDPOINT_SHARED_CREATE_PARAMS" in APO (lfx / gfx) hi all, How can i use the structure AUDIO_ENDPOINT_SHARED_CREATE_PARAMS in my APO?, i am not able to found any Api's that use this structure. dennis scott