Bulk User Management
A WordPress plugin that lets you manage users across all your sites from one place on a multisite install.
bulk_user_management_blogs- array of sites that can be managed
bulk_user_management_parent_page- sets parent page
bulk_user_management_admin_users- array of users by id that the plugin is active for
bulk_user_management_admins_by_username- array of users by username that the plugin is active for