Allinone Wp Migration 100gb Fix Updated Jun 2026

: Temporarily turn off Wordfence, Sucuri, or server-level firewalls (like ModSecurity) on the target site during the import. They often mistake a massive file import for a cyberattack and block the process.

commands within your theme's functions file to dynamically increase limits. Flawless Themes 2. The FTP/Manual Import Method (Most Reliable)

This error indicates that the .wpress file you are trying to import is corrupted or incomplete.

Modifying code can be unstable for massive backups. If you are dealing with a true 100GB site, consider these more reliable methods: 1. The "Import from FTP" Method

(if using Apache):

: Revert your memory_limit and max_execution_time back to original values if your host requires it.

Do you see a (like HTTP 500 or "Timeout")?

Use WP Migrate Lite (for DB only) + manually sync wp-content/uploads via FTP/rsync.

Sometimes the plugin fails because it miscalculates free space. In lib/model/class-ai1wm-backups.php , comment out the disk space check: allinone wp migration 100gb fix

To fix the 100GB limit, the most professional route is and using the Unlimited Extension to trigger the restore. Trying to upload 100GB through a Chrome or Firefox window is a recipe for failure—stick to server-side movements for data of this scale.

Once your 100GB migration finishes, you must run these quick checks to ensure your new site works perfectly:

To lift the restriction completely for huge files, change it to: define( 'AI1WM_MAX_FILE_SIZE', 100 * 1024 * 1024 * 1024 ); Use code with caution.

Even after overcoming the size limit, you might encounter other issues. Here are some of the most common ones and how to fix them. : Temporarily turn off Wordfence, Sucuri, or server-level

This is the most reliable "fix" for 100GB files because it bypasses the browser upload entirely.

This is the hassle-free, officially supported route. By purchasing the from ServMask for $69, you can bypass all hosting upload limitations entirely. The extension adds a new "Unlimited" option to the export screen and allows you to import files of any size. This is the plugin's official solution for dealing with very large websites.

This the 512MB check. Yes, it works even in the free version.

If you have WP-CLI installed, run:

While old online tutorials might suggest modifying the plugin's source code constants (like AI1WM_MAX_FILE_SIZE ), modern versions of All-in-One WP Migration have patched these loopholes. Modifying code can result in corrupted database restores.