Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageControlVM.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageControlVM.cpp	(revision 29363)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageControlVM.cpp	(revision 29364)
@@ -549,4 +549,23 @@
             }
         }
+        else if (!strcmp(a->argv[1], "vrdpvideochannelquality"))
+        {
+            if (a->argc <= 1 + 1)
+            {
+                errorArgument("Missing argument to '%s'", a->argv[1]);
+                rc = E_FAIL;
+                break;
+            }
+            /* get the corresponding VRDP server */
+            ComPtr<IVRDPServer> vrdpServer;
+            sessionMachine->COMGETTER(VRDPServer)(vrdpServer.asOutParam());
+            ASSERT(vrdpServer);
+            if (vrdpServer)
+            {
+                unsigned n = parseNum(a->argv[2], 100, "VRDP video channel quality in percent");
+
+                CHECK_ERROR(vrdpServer, COMSETTER(VideoChannelQuality)(n));
+            }
+        }
 #endif /* VBOX_WITH_VRDP */
         else if (   !strcmp(a->argv[1], "usbattach")
Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 29363)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageHelp.cpp	(revision 29364)
@@ -371,5 +371,6 @@
         {
             RTPrintf("                            vrdp on|off |\n");
-            RTPrintf("                            vrdpport default|<ports> |\n");
+            RTPrintf("                            vrdpport default|<ports> |\n"
+                     "                            vrdpvideochannelquality <percent>\n");
         }
         RTPrintf("                            setvideomodehint <xres> <yres> <bpp> [display] |\n"