diff -r 7f2202662322 -r 7a9a8e73f54b mpx/playbackframework/playbackutility/src/mpxplaybackutilityimpl.cpp
--- a/mpx/playbackframework/playbackutility/src/mpxplaybackutilityimpl.cpp	Thu Jan 07 12:57:30 2010 +0200
+++ b/mpx/playbackframework/playbackutility/src/mpxplaybackutilityimpl.cpp	Mon Jan 18 20:36:37 2010 +0200
@@ -367,8 +367,11 @@
              EPbCmdPlayPause == cmdType ||
              EPbCmdStop == cmdType)
             {
-            aCmd.SetTObjectValueL<TProcessId>(KMPXCommandPlaybackGeneralClientPid,
-                                              RProcess().Id()); // current process id
+            if( !aCmd.IsSupported( KMPXCommandPlaybackGeneralClientPid ) )
+                {
+                aCmd.SetTObjectValueL<TProcessId> (
+                       KMPXCommandPlaybackGeneralClientPid, RProcess().Id()); // current process id
+                }
             }
         }