Index: /trunk/src/VBox/Main/src-server/MediumImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/MediumImpl.cpp	(revision 71054)
+++ /trunk/src/VBox/Main/src-server/MediumImpl.cpp	(revision 71055)
@@ -3034,4 +3034,9 @@
                     }
                 }
+                else if (suffix.compare("Parallels", Utf8Str::CaseInsensitive) == 0)
+                {
+                    suffix = "hdd";
+                }
+
                 /* Set the target extension like on the source. Any conversions are prohibited */
                 suffix.toLower();