Open the migration script "mixerp-phpbb-to-kunena-migration.sql".
Find and replace the token "phpbb_database_name" to the name of PhpBB database.
Find and replace the token "joomla_database_name" to the name of Joomla database.
Find and replace the token "jos_" to whatever prefix you have in your joomla installation.
Run the script on Toad for MySQL.
This script will delete all the contents of Kunena forum and joomla users. Make a backup before you proceed.
To migrate attachments from phpBB, copy the files inside phpBB attachment folder and paste those on 'media/kunena/attachments/migrated/'. Add file extensions to the files (generally .jpg).
This script will migrate all phpBB users except password. The existing forum users will have to use the joomla feature "forgot password" in order to reset their password.
The script will create a new administrator account "mixerp" with password "secret".
This script is licensed under GNU/GPLv2.
This tool has successfully migrated some PhpBB installations to Kunena, including our own. If you need a human assistance, you can purchase migration support from us for $69.00. All improvements will be committed to the github repository and shared with the Joomla! community.