feel free to keep it strictly simple...

Upgrade from LEPTON 2.4.1 to 3.0.0


Using this package you can upgrade your LEPTON Installation 2.4.1  to LEPTON 3.0.0 .

Installations lower than 2.4.1  have to be updated to 2.4.1 first.

All neccesarry packages can be downloaded here or from the archiv.


Maybe there are some modules that have to be updated or modified later on or must be copied from saved installation .

Please notice that ther are current addons for LEPTON  available on the Addons Repository (LEPAdoR).

If you need some help to modify addons please post on the forum .


Step 1:

Save complete installation (all files) and database!

Keep in mind that there is no fallback!

If upgrade fails you have to recreate your installation using the saved files and database.

Windows-User should make upgrade using Mobile Release (usbwebserver) and then upload files and database to your webspace. You can also use packages like xampp or similar to do this.


Step 2:


  1. If you have renamed some directories (pages, admins, media), you have to undo those modifications to make the upgrade work!
  2. All modified frontend.css inside of addons must be renamed (frontend_custom.css) or saved or copied in the frontend template.
  3. Make screenshots of your access groups, you will need them after upgrade.


Step 3:

Download Upgrade-Package , unzip and upload to the root of your installation.

The file 3upgrade.php is located  in install directory of your installation.


Start upgrade calling:


and follow the hints on your screen.


At last log in and check, if installation is running in the backend and frontend.

Maybe you have to update further modules and snippets if neccessary.


Notice: please check and rework your access groups. There had been important massive modifications in this part. Details can be seen in the forum.


If you need help visit the forum .