Index: /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp
===================================================================
--- /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp	(revision 55972)
+++ /trunk/src/VBox/HostServices/SharedOpenGL/crserverlib/presenter/server_presenter.cpp	(revision 55973)
@@ -3994,4 +3994,12 @@
         }
     }
+    else
+    {
+        /* Prior to r100476 guest WDDM driver was not supplying us with sub-rectangles
+         * data obtained in DxgkDdiPresentNew() callback. Therefore, in order to support backward compatibility,
+         * lets play in old way if no rectangles were supplied. */
+        const RTRECT *pRect = CrVrScrCompositorRectGet(&hFb->Compositor);
+        crServerDispatchVBoxTexPresent(hostId, idFb, 0, 0, 1, (const GLint*)pRect);
+    }
 
     return -1;