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Debugging comments on old posts in WordPress

By admin | March 7, 2011

Sometimes on a WordPress blog all comment entry points on old blog posts will stop working. This can be caused by a number of problems:

  1. Posts are set to expire. If you select the option “Automatically close comments on articles older than x days” under Settings->Discussion, then posts will automatically close comments after x days.
  2. Your blog is not set to enable commenting. Enable “Allow people to post comments on new articles” under Settings->Discussion.
  3. The specific post is not allowing comments. Edit the post in question and under the “Discussion” section ensure both “Allow comments” and “Allow trackbacks and pingbacks on this page” are both selected.

If the above three steps still do not help, then you can run the following database queries to enable comments globally:

UPDATE wp_posts SET comment_status = REPLACE (comment_status, 'closed', 'open') WHERE post_status = 'publish' AND post_type = 'post';
UPDATE wp_options SET option_value = 0 WHERE option_name = 'close_comments_for_old_posts'

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