The best way (until now) to change domain name of a WordPress Multisite
Important Note: If you change the "DOMAIN_CURRENT_SITE" option in your wp-config.php of your multisite, you will not be able to connect to the database (via web and wp-cli) You should use this tool to change the domain name of your multisite: Github repository: https://github.com/interconnectit/Search-Replace-DB 1. Clone the git repo into your WordPress root: $ git clone https://github.com/interconnectit/Search-Replace-DB 2. Open the browser, go to http://old.multisite.com/Search-Replace-DB/ and start searching and replacing: First search and replace your old url to the new one on all the tables (you can click " dry run " to check first, click " live run " to actually make changes): Old URL: http://old.multisite.com New URL: http://new.multisite.com Then, search and replace old domain to the new one one on all the main wordpress table (wp_sites, wp_blogs,...): Old domain: old.multisite.com New domain: new.multisite.com Af...