diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-admin/user/admin.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-admin/user/admin.php	Mon Nov 19 18:26:13 2012 +0100
@@ -0,0 +1,25 @@
+<?php
+/**
+ * WordPress User Administration Bootstrap
+ *
+ * @package WordPress
+ * @subpackage Administration
+ * @since 3.1.0
+ */
+
+define('WP_USER_ADMIN', true);
+
+require_once( dirname(dirname(__FILE__)) . '/admin.php');
+
+if ( ! is_multisite() ) {
+	wp_redirect( admin_url() );
+	exit;
+}
+
+$redirect_user_admin_request = ( ( $current_blog->domain != $current_site->domain ) || ( $current_blog->path != $current_site->path ) );
+$redirect_user_admin_request = apply_filters( 'redirect_user_admin_request', $redirect_user_admin_request );
+if ( $redirect_user_admin_request ) {
+	wp_redirect( user_admin_url() );
+	exit;
+}
+unset( $redirect_user_admin_request );