---
title: Upgrade Drupal 6 to Drupal 7
url: https://sammy.hk/upgrade-site-drupal-7-d6/
author: Sammy Fung
published: 2012-02-18T14:44:44+08:00
modified: 2018-03-21T22:27:42+08:00
description: "I just upgraded a drupal 6 website to drupal 7 successfully after few upgrade failure. Preparion before upgrade – disable all non-core (required/optional)…"
categories: ["開放源碼"]
source: https://sammy.hk
---
I just upgraded a drupal 6 website to drupal 7 successfully after few upgrade failure.

**Preparion before upgrade**
– disable all non-core (required/optional) modules.
– switch back the default theme to garland.
– backup the database to sql file.

**Migrate and upgrade**
– rsync to drupal 7
– change value of $update\_free\_access to TRUE in settings.php, and change the file all writable.
– goto the /install.php of your drupal site at web browser to upgrade.

**Reset the overlay “Toolbar” at drupal 7**
1\. Backup the database to sql file.
2\. DELETE FROM menu\_links WHERE module = ‘system’
3\. Then you need to visit /admin/config/development/performance and clear the cache.

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