diff --git a/rdr/msvcwarning.h b/rdr/msvcwarning.h
index e93f2bb..bea8d3f 100644
--- a/rdr/msvcwarning.h
+++ b/rdr/msvcwarning.h
@@ -1,5 +1,5 @@
-/* Copyright (C) 2002-2003 RealVNC Ltd.  All Rights Reserved.
- *    
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
  * This is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -15,4 +15,12 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  * USA.
  */
+
+// Trim out extraneous cruft from windows.h includes
+#define WIN32_LEAN_AND_MEAN
+
+// Force all Windows NT-specific APIs to be visible
+#define _WIN32_WINNT 0xffff
+
 #pragma warning( disable : 4800 ) // forcing bool 'true' or 'false'
+#pragma warning( disable : 4786 ) // truncating debug information to 255 chars
\ No newline at end of file