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I have a 3.0.1 site with MULTISITE enabled and would like one of the sites to live at /blog, but when I try to create a new site with that path, I get this error:

The following words are reserved for use by WordPress functions and cannot be used as blog names: page, comments, blog, files, feed

How can I get a site at /blog?

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5 Answers 5

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You can't.

That's part of the main site's permalink structure. There's no way to get around it. You can find more information here:

http://core.trac.wordpress.org/ticket/13527

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  • 2
    #13527 is a duplicate, ticket is: #13304 core.trac.wordpress.org/ticket/13304 You can hook into "subdirectory_reserved_names" and allow "blog" as name then. So the correct answer must be: You can (with some code)! Related Change was: core.trac.wordpress.org/changeset/14928
    – hakre
    Aug 20, 2010 at 9:44
  • Good call hakre. You should post that as an answer so that this question has the right answer on it.
    – John P Bloch
    Aug 20, 2010 at 10:30
  • added an additional answer now. would be good to know if that works as intended for the asker in the end.
    – hakre
    Aug 23, 2010 at 19:13
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Yes, you can I get a site at /blog running in MULTISITE, but that needs adding some code. That's because WordPress has a child-proof lock build in that you need to unlock first. This can be done by adding a hook function into the subdirectory_reserved_names filter that passes an array with names that are blocked as parameter. Remove the entries you'd like to use and return the filtered array.

Take care because this child-proof lock has been build so that the words 'page', 'comments', 'blog', 'files', 'feed' could not be used by default. /blog for example is reserved for the main site.

For more information please see ticket #13304, the related change that allows to override the reserved names was 14928

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  • how to do the hooking?
    – Abel Melquiades Callejo
    Aug 30, 2014 at 13:43
  • @AbelMelquiadesCallejo see answer below.
    – T.Todua
    Mar 6, 2018 at 14:20
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Actually, the root site can have blog as a part of the permalink structure. In fact, any nice-urls for root site's posts force the prefix blog.

So, if you don't mind using root account, you can have it. But you have to be careful, as the main blog can show up in subsites' panels, etc (AFAIK).

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I have /blog subsite for years now and actually i don't think that it's any of issue. In functions.php, add this code:

add_filter('subdirectory_reserved_names', function($reserved_names){  return array_diff($reserved_names, ['blog'] );   } );
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There is a way, I have done it before but it was on WPMU 2.X - not sure if they made it tougher to remove in 3, I can't imagine why they would have.

this is a plugin to remove the /blog part - http://buddydev.com/http//buddydev.com/public-download/cc-remove-blog-slug-v-1.1.zip - as for writing the actual /blog/ permalink to the site, wp will filter that, the easies way is create the "blog" subsite with a wierd enough url that it is quickly found in phpMyAdmin (set the path to "yoursite.com/wtfisgoingonhere") then log intop phpmyadmin search for it, and replace all instances with /blog/ - be very careful not to remove or add an extra slash anywhere. Good luck!

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