Here are the steps involved when moving a WordPress Multisite installation to a new domain name. In my case I wanted to move everything (code + database) from development to production.
After copying everything to the new environment, you have to change the following items:
Make sure to add or update your wp-config.php file:
And in your database update the following tables and fields:
- Update the domain and path fields in the wp_blogs and wp_site table
- Update the value of the field with siteurl key in the wp_sitemeta table
- Update the values of the fields with siteurl and home key in the wp_options table and every other wp_[BLOGID]_options table