diff --git a/htdocs/api/xmlrpc/dispatcher.php b/htdocs/api/xmlrpc/dispatcher.php
index f2e756fc973f3f02db77a2284712fbd3a0ba7602..27870aebf82a13396c0708d98b8b47022de3f6f7 100644
--- a/htdocs/api/xmlrpc/dispatcher.php
+++ b/htdocs/api/xmlrpc/dispatcher.php
@@ -47,7 +47,10 @@ class Dispatcher {
         'sso_in' => array(),
         'sso_out' =>array(
             'auth/mnet/auth.php/user_authorise' => 'user_authorise',
-            'auth/mnet/auth.php/fetch_user_image' => 'fetch_user_image'
+            'auth/mnet/auth.php/fetch_user_image' => 'fetch_user_image',
+            'auth/mnet/auth.php/update_enrolments' => 'xmlrpc_not_implemented',
+            'auth/mnet/auth.php/keepalive_server' => 'xmlrpc_not_implemented',
+            'auth/mnet/auth.php/kill_children' => 'xmlrpc_not_implemented',
             )
     );
 
@@ -136,7 +139,7 @@ class Dispatcher {
                 }
             }
 
-            throw new XmlrpcServerException('No such method');
+            throw new XmlrpcServerException('No such method: ' . $this->method);
 
         }
 
diff --git a/htdocs/api/xmlrpc/lib.php b/htdocs/api/xmlrpc/lib.php
index 450e1a04494291c645e2615aee3ea65f3bf77232..26bacf681158df4d083f2b655639a08fb590d65c 100644
--- a/htdocs/api/xmlrpc/lib.php
+++ b/htdocs/api/xmlrpc/lib.php
@@ -260,6 +260,10 @@ function user_authorise($token, $useragent) {
     return $userdata;
 }
 
+function xmlrpc_not_implemented() {
+    return true;
+}
+
 /**
  * Given a USER, get all Service Providers for that User, based on child auth
  * instances of its canonical auth instance