Ticket #39252: 39252.diff

src/wp-includes/admin-bar.php

@@ -703 +703 @@
         if ( isset( $actions['post-new.php?post_type=content'] ) )
                 $actions['post-new.php?post_type=content'][1] = 'add-new-content';
 
-        if ( current_user_can( 'create_users' ) || current_user_can( 'promote_users' ) )
+        if ( current_user_can( 'create_users' ) || ( is_multisite() && current_user_can( 'promote_users' ) ) ) {
                 $actions[ 'user-new.php' ] = array( _x( 'User', 'add new from admin bar' ), 'new-user' );
+        }
 
         if ( ! $actions )
                 return;