WordPress Multisite Sub Domains Admin Panels 404 Error

To clarify my comments (since comments don’t lend themselves to code blocks), you should only be using the .htaccess rules that apply to your particular WordPress installation. I’m assuming in this answer that you’re using WordPress greater than 3.5 (the current release as I write this is 6.7), and your question shows Subdomain Multisite. Thus, … Read more

What is the correct url to request the 404 page?

Yes this this doesn’t work when you have custom permalinks enabled. See the red warning box on the page you linked: WARNING: If you are using custom permalink, the trick below does not work, see this: http://core.trac.wordpress.org/ticket/7592. The trac ticket was closed as invalid so doesn’t look like this will change.

Multiple 404 Pages

Yes, it’s definitely possible to have multiple 404 pages for different purposes on a WordPress site, although it requires a bit of custom coding. You can achieve this by detecting the source of the 404 error and then redirecting to a specific 404 template based on the condition. Here’s a general approach to implement this: … Read more

404 Error after URL update

You might have already done this, but while logged into the admin of your site, go to Settings > General and then review the urls in WordPress Address (URL) and Site Address (URL). If they do not read with the new domain name, then they need to be updated. Once you have the correct urls … Read more

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