Index: /trunk/src/VBox/Main/src-server/VirtualBoxImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/VirtualBoxImpl.cpp	(revision 50383)
+++ /trunk/src/VBox/Main/src-server/VirtualBoxImpl.cpp	(revision 50384)
@@ -1855,5 +1855,5 @@
         const Bstr &typeId = (*it)->i_id();
         AssertMsg(!typeId.isEmpty(), ("ID must not be NULL"));
-        if (typeId == aId)
+        if (typeId.compare(aId, Bstr::CaseInsensitive) == 0)
         {
             (*it).queryInterfaceTo(aType.asOutParam());
