Support » Networking WordPress » I want to change the root domain of my multisite install…
6 years ago
…but I’m not sure what is required. Anyone have any insight?
Pay particular attention to the sections marked for MultiSite.
Customer Care at Copyblogger Media and Studiopress
Short version: search & replace in the entire database. Not a fun or easy or fast job.
This worked really well for me.
MySQL Search & Replace Tool