WordPress Multisites are a great way to manage multiple websites from a single WordPress admin and username. One thing that can get quite confusing is the use of plugins, especially on larger networks.
With multisite there are several different ways you can activate plugins:
There is an alternative to disable a network enabled plugin for only one site. The following should be placed within your theme’s functions.php template and will disable akismet on a blog with id 2:
add_filter('site_option_active_sitewide_plugins', 'modify_sitewide_plugins'); function modify_sitewide_plugins($value) { global $current_blog; if( $current_blog->blog_id == 2 ) { unset($value['akismet/akismet.php']); } return $value; }