diff --git a/win/rfb_win32/TsSessions.h b/win/rfb_win32/TsSessions.h
new file mode 100644
index 0000000..b15ada7
--- /dev/null
+++ b/win/rfb_win32/TsSessions.h
@@ -0,0 +1,61 @@
+/* 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
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// Windows version-independent Terminal Services Session discovery
+// and manipulation API.  This code will eventually be replaced
+// by the full TS-compatibility scheme.
+
+#ifndef __RFB_WIN32_TSSESSIONS_H__
+#define __RFB_WIN32_TSSESSIONS_H__
+
+#include <windows.h>
+
+namespace rfb {
+
+  namespace win32 {
+
+    struct SessionId {
+      DWORD id;
+    };
+
+    // Session Id for a given process
+    struct ProcessSessionId : SessionId {
+      ProcessSessionId(DWORD processId = -1);
+    };
+
+    // Session Id for current process
+    extern ProcessSessionId mySessionId;
+
+    // Current console Session Id
+    struct ConsoleSessionId : SessionId {
+      ConsoleSessionId();
+    };
+
+    // Check whether the process is in the Console session at present
+    bool inConsoleSession();
+
+    // Make the specified session the Console session.
+    //   If sessionId is -1 then the process' session is
+    //   made the Console session.
+    void setConsoleSession(DWORD sessionId = -1);
+
+  };
+
+};
+
+#endif