Für 1.6 ist diese die Lösung
Quote
Location: {PrestashopFolder}/controllers/admin
File: AdminProductsController.php
Old Code (line # 1340):
$post_max_size = Tools::getMaxUploadSize(Configuration::get('PS_LIMIT_UPLOAD_FILE_VALUE') * 1024 * 1024);
New Code: $post_max_size=104857600;
Replace old code with the net code. It will allow you to upload 1000 MB file. You may add or remove Zero (0) from the last to increase or decrease teh limit.
Kudos gehen zu Mukul Kumar Sharma
php.ini muss IMHO trotz allem angepasst werden.