Rewrite modules (untested)

modules.d/GPO_Teredo.conf

@@ -0,0 +1,15 @@
+{
+    "Name" : "Teredo (GPO)",
+    "Description" : "This module desactivate Teredo pseudo interface like GPO did.",
+    "actions" :
+    [
+        {
+            "_comment" : "Disable Teredo with  key controlled by GPO",
+            "action" : "AddRegKey",
+            "path" : "HKLM:\\Software\\Policies\\Microsoft\\Windows\\TCPIP\\v6Transition",
+            "key" : "Teredo_State",
+            "value" : "Disable",
+            "type" : "String"
+        }
+    ]
+}