Adding the WordPress Multisite feature to an existing site

I’ve had this site as my main blog site for a number of years now, but I also keep another site for past projects that I’ve worked on. It’s been a static HTML site for a number of years and gone through a number of revisions, but I wanted to move it to WordPress to make it easier to edit changes directly on the site instead of the normal editing HTML and FTP’ing to the site workflow.

Since this site is already using WordPress, I thought I’d take a look at the Multisite feature to avoid having multiple installs on my Apache server. Turns out starting this late into the evening was probably not the best idea, but after a few hours I finally got it all fixed up. Here’s some key resources:

Key things that I learnt:

  • If you have an existing site, saw and you follow all the steps in the above articles, using the subdomain approach you’ll end up with your existing domain as and other sites as, etc. Not wanting to break existing links to my existing site at, you could either put in place Apache rewriting, or the  approach I took was to copy my previous posts across to a new subdomain mapped as the original URL,
  • To set up the above:
    • export the existing posts using Tools/Export
    • Create a new site and map it to
    • Import your exported data into the new site
    • You can now delete the original posts in the original site that’s now mapped to If it makes sense, create new content for this top site.

One Reply to “Adding the WordPress Multisite feature to an existing site”

  1. Good selection for the Windows/Linux Users!

    For the Mac side I’d go with Firefox or Chrome with the WebDev extensions, MAMP for your local server, and Transmit for an FTP client. My dev work is usually done in Espresso and CSSEdit, although there are a fair few alternatives.

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