The latest version of the all-in-one WP migration Plugin has limited the migration file size to 128 MB. They provided an extended plugin before to let you extend the file to 512 MB. However, the latest version has already deleted the extension.

And even with a file size of 128 MB, sometimes you get stuck when migrating your site to the new server. You probably get frustrated when this happens.

How to Fix All-In-One WP Migration Stuck?

1. Install the old version of the All-in-one WP migration. And disable the auto-update feature in your WordPress admin Plugins dashboard.

Deactivate the latest version of the all-in-one WP migration plugin and delete it. Download the old version all-in-one wp migration plugin. We recommend version 6.77. The author has deleted this version from their official homepage. You can download it from our website below.

The old version of the all-in-one WP migration supports up to the size of 512 MB. Therefore it’s more convenient for you to back up your WordPress site or upload your export file.

Please be noted not only the exported file should be done in the old version of the all-in-one-wp migration, but also imported files that upload to the new server should be done in the old version. After you get all these done, please remember to disable the auto-update function in WordPress for this plugin. As you know, the developer of this plugin needs to make money from it, therefore they have decreased the size of the file which you can migrate. So in the old version, you can migrate your site to a much bigger size than now.

2. Use the backups and restore features of All-in-one WP migration and upload the backup file to your website server via file manager or FTP.

If you use the import feature of All-In-One WP Migration, it may stuck if the import file is too big. You can export or download the backup file from your original server to your local document. After that, upload the.wpress file you have downloaded to your new server by file manager or FTP. The backup file should be uploaded to the folder public_html/wp-content/ai1wm-backups

Step 1. Install the old version of the all-in-one wp migration in your site from the old hosting server.

Step 2. Export your site in the format of  .wpress. by all-in-one wp migration(Version 6.77).

Step 3. Install all-in-one wp migration(version 6.77) to your site in the new hosting server. and activate it.

Step 4. Upload the exported .wpress file to the new hosting server under wp-content/ai1wm-backups/

You can use Cpanel if your hosting server provides such service. Go to file manager and file your site document under the name of your site.

Step 5. Go to your wp-admin interface, and find all-in-one wp migration. Click Backups. You will see the file you upload. Click Restore, you will successfully migrate your site to a new server.

How to increase the maximum file size from 512Mb to the maximum file size 10Gb in All-in-one WP Migration?

Even in the version of 6.77, All-in-one WP Migration still limits the file size that you can import or back up to a maximum of 512MB. However, with the development of internet technology, there are more and more images and video media on the website. 512Mb is not always enough for website owners.

So how to increase the import file size from 512MB to a maximum of 10GB?

All-in-one WP migration is a great backup plugin for WordPress Websites, if you want to back up your website which is more than 512Mb, you should pay to get their extension. Here we are introducing how to increase the maximum file size in the All-in-one WP migration WordPress Plugin.

Please remember, all these steps need to be done in version 6.77, if your all-in-one WP Migration Plugin is not version 6.77, you can download it from above and install it.

Step 1. Go to the dashboard of your WordPress site, go to Plugins ——–> choose Plugin File Editor from the submenu.

Step 2. When you enter the page of Plugin File Editor, Choose All-In-One WP Migration in the right corner.

Step 3. Once you enter the All-In-One WP Migration files, choose the constants.php file and start to edit it.

Step 4. After you enter the code of constants.php, go to line 282, and you will see Max File Size.

// =================
// = Max File Size =
// =================
define( 'AI1WM_MAX_FILE_SIZE', 2 << 28 );

This code is set to limit the size of the file you import or backup. So you need to change to the code below

// =================
// = Max File Size =
// =================
define( 'AI1WM_MAX_FILE_SIZE', 536870912 * 20 ); 

After you finish all the steps, click Update file then save the change. You will find that the maximum file size you can import is changing from 512Mb to 10Gb. 10Gb can satisfy almost 99% of your need. If your website is larger than 10Gb, we suggest you spend some money to get a more professional backup service.