File Upload Limit on WordPress Multisite

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When you search “how to increase upload limit on WordPress”, mostly listed as solution below:

– edit /etc/php.ini file with relevant lines

memory_limit = 100M
post_max_size =100M
file_uploads = On
upload_max_filesize = 100M

– edit the .htaccess file in my wordpress base directory with:

php_value upload_max_filesize 100M
php_value post_max_size 100M
php_value memory_limit 100M

– edit the wordpress wp-config.php file with

define('WP_MEMORY_LIMIT', '100M');

near the top of the file.

But if you are working on WordPress Multisite all these suggestions are useless. The working solution is:

  • Get to the Network Admin page.
  • Click on “Settings” in the admin panel on the left hand side of the screen.
  • Near the bottom of this page is a section called “Upload Settings”. Find it.
  • There is a field for “Max Upload File Size”. The units are KB.
  • Convert your intended file size into KB. (100MB = 100 * 1024 * 1024KB = 104857600KB)
  • save changes at the bottom and test for sanity.


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