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How to migrate from Prestashop 1.6 to Prestashop 1.7?

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First of all thank you for taking a look into the problem that I'm facing today.
 
I'm currently working on a project that includes Prestashop 1.7. What I'm trying to do is as following. I want to migrate my Prestashop 1.6.11 to 1.7. Now I know that there is currently no support for this option but I really want to upgrade it for some important reasons. I did migrate the customers and there invoices to 1.7 but when I try login on the new website nothing happens(I made a test account on 1.6). There is no error or anything but the page refreshes and that's it. I did look on multiple websites for a solution but that came out blank.
 
Is what I am trying to do even possible or does anybody have an idea where to look or what to change.
 
Hope that somebody has a solution.
asked Feb 25, 2017 in Prestashop by harsh (8,710 points)

1 Answer

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There is a _COOKIE_KEY_ in PrestaShop that is used to encrypt the password before saving them to the database. The _COOKIE_KEY_ for each PrestaShop installation. The _COOKIE_KEY_ is unique for each and every PrestaShop installation.
 
You can find the _COOKIE_KEY_ in following paths:
 
/app/config/parameters.php (in PrestaShop 1.7) /config/settings.inc.php (in PrestaShop 1.6)
 
You should set the passwords for your users on your new PrestaShop 1.7 store again using the updated _COOKIE_KEY_
 
You can take a look at Tools::encrypt() function to find out how it is encrypted.
 
Note: This _COOKIE_KEY_ is called 'secret' in PrestaShop 1.7
answered Feb 25, 2017 by harsh (8,710 points)

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