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In this section you can find more details on how to migrate the non-core extensions. The most important thing to successfully upgrade the supported extensions is the source and destination site extension's version. The reason is that for the specific versions, SP Upgrade is tested, and we are sure that the database structure is as expected.

On tab Database Transfer you have the ability to choose individual records from any table in the source database. This function is only useful for external extensions, and NOT for core data which you must transfer from Core Transfer view, or the supported extensions that you can transfer from Extensions Transfer view.

In this section we will try to give a general direction of what steps to follow in order to migrate the extensions, that are not automatically transferred with SP Upgrade.  

Find below links to various resources on how to migrate the most famous extensions.

  • Upgrade the 1.5 Joomla! K2 to version 2.6.7. Check this how to
  • Install K2 version 2.6.7 to the new destination Joomla! site
  • Choose K2 from Extensions Transfer tab and hit button Transfer


  • Upgrade your 1.5 Joomla! Kunena to version 2.0.4
  • Install Kunena version 3.0.5 to the new destination Joomla! site
  • Choose Kunena from Extensions Transfer tab and hit button Transfer