Support » Fixing WordPress » Changed permalinks – 404 problem for single posts access

  • my site:

    I have read many threads on this support forum, but nothing seems to work. Here is my situation:
    I wanted to change my permalink structure from:

    then I used a plugin called Dean’s Permalink migration plugin and followed the instructions.

    I also verified that my .htacces file was on 777 permission and I can verify with the dates that it is being written to.

    after the changes, the posts are displayed on the homepage and the correct link displayed (with the category name and postname).

    when I click on the link of a single post, I get a 404 error: page not found. the correct url is displayed (category/postname).

    When I revert back to the old permalink structure (/%postname%/) everything is working back as normal.

    Please help me get this to work. Thanks in advance.

    PS: I have upgraded to latest version of WP automatically – 2.9.2. My site is located as an add-on domain on the server (public_html/, but is accessed in the browser like Could there be a problem with the htaccess file on the root site?

Viewing 3 replies - 1 through 3 (of 3 total)
  • fixed it:

    am not entirely sure how but here is what I did:

    I disabled all plugins
    reverted back to the old permalink structure & saved
    cleared cache
    changed the permalink structure to new
    enabled each plugin individually one by one to see if one was causing problems (none)

    I suspect that the All In One SEO plugin canonincal links settings might have caused an issue – worth investigating on the moderator side here as many people are seeing this problem.



    Set your desired permalink from wordpress admin area and add this code in htaccess:

    # BEGIN WordPress
    <IfModule mod_rewrite.c>
    ErrorDocument 404 /index.php?error=404
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule . /index.php [L]
    # END WordPress

    Now, check with old permalink post and new permalink posts.


    Shane G.

    Thanks for coming back to post your fix obiwan77, I had the exact same issues and now everything’s working great. Love that!

Viewing 3 replies - 1 through 3 (of 3 total)
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