Cookies in Multisite network where sites have their own domain name?

First clear your browser’s cache (including cookies) and your server’s cache (cache plugins, etc.) Then set the following in your wp-config.php file: define(‘ADMIN_COOKIE_PATH’, “https://wordpress.stackexchange.com/”); define(‘COOKIE_DOMAIN’, ”); define(‘COOKIEPATH’, ”); define(‘SITECOOKIEPATH’, ”); Also, you may checkout the answer from HERE: define(‘WP_ALLOW_MULTISITE’, true); define(‘MULTISITE’, true); define(‘SUBDOMAIN_INSTALL’, false); define(‘DOMAIN_CURRENT_SITE’, ‘your-domain.example’); define(‘PATH_CURRENT_SITE’, “https://wordpress.stackexchange.com/”); define(‘SITE_ID_CURRENT_SITE’, 1); define(‘BLOG_ID_CURRENT_SITE’, 1); define(‘SUNRISE’, ‘on’); If … Read more