WP Multisite – domain mapping to domain.com and separate site to domain.com/help

Yes, this is possible (see https://wordpress.org/support/article/create-a-network/). For sub-domains you’ll need to confirm that your DNS has a wildcard entry for your domain. So, based on your root domain, this would work for: mysub1.multisiteroot.com, mysub2.multisiteroot.com, etc.

If you wanted to us different domain names for subsites, then you’d need to have those domain names point to your IP, and then, in the Network Admin “Edit Site” page for your new subsite (Network Admin path: All Sites > Edit (site site to be modified):

  1. Info tab – Change “Site Address (URL)” to the URL to name of your subsite (e.g. “https://businessdomain.com”), then click “Save Changes”;
  2. “Settings” tab – change the “Siteurl” and “Home” values to the URL for your subsite, then click “Save Changes”.

As for “businessdomain.com/help”, this is a subfolder. I recommend using a subdomin “help.businessdomain.com”, using the website I listed above and mu notes.

I hope I didn’t miss a step, or two.

Good luck.

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