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How to enable multi-site options in WordPress 3.0

Lisa Kudrow

Apr 20, 2025 am 06:54 AM

wordpress2025

WordPress 3.0 is when a large merge occurs. The core of WPMU is integrated into WordPress, which means you can now run multiple blogs with WordPress installed at once. This new feature is called a network or multi-site option. This feature is disabled by default. If you want to use this option in WordPress, you must enable it.

To enable this feature, just open the wp-config.php file located in the WordPress root folder. Then add the following line anywhere in the file:

How to enable multi-site options in WordPress 3.0

Now you no longer need to install multiple copies of WordPress, because you can run multiple blogs at once. By default, you can only run other blogs as subdomains. To use other domains for your blog, you can use the domain mapping plugin.

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