Rewrite modules (untested)

modules.d/GPO_MicrosoftAccount.conf

@@ -0,0 +1,14 @@
+{
+    "Name" : "Microsoft Account (GPO)",
+    "Description" : "This module desactivate posibility to add a Microsoft account like GPO does.",
+    "actions" :
+    [
+        {
+            "_comment" : "Disable MS Account",
+            " action" : "AddRegKey",
+            "path" : "HKLM:\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System",
+            "key" : "NoConnectedUser",
+            "value" : "3"
+        }
+    ]
+}