update to users are unable to register on the site.

How can I solve this issue?


3 Answers 3


When you upgraded magento if you have the following files that your have overridden in your theme you will need to add the following for customer registration to work: <input type="hidden" name="form_key" value="<?php echo Mage::getSingleton('core/session')->getFormKey() ?>" />




  • Hi Rob, in my theme haven't the file in first row that you write but I have only the second file in persistent folder.
    – Joso
    Oct 31, 2015 at 5:20
  • Have you other Suggest?
    – Joso
    Oct 31, 2015 at 7:49
  • so you have the app/design/frontend/{your_theme}/{your_package}/template/persistent/customer/form/register.phtml file in your theme? Have you added the line here github.com/OpenMage/magento-mirror/blob/…
    – rob3000
    Oct 31, 2015 at 7:57
  • I browse and in my theme there is only register.phtml under persistent/customer/form. I followed the instruction how shows the link to github, but not work. Every time I check and register on site, after filled all date and submit the form, the page reload with empty form.
    – Joso
    Oct 31, 2015 at 8:24
  • On the live site can you inspect the page and see if the following key exists on the page <input type="hidden" name="form_key">
    – rob3000
    Oct 31, 2015 at 8:26

Just to add to this, there may be more extensions overriding your register.phtml file other than your custom themes. Turn on your path hints (system>config>advanced>developer) and check to see if any extensions are overriding it.


If your page is using OPC, add form_key in register.phtml on opc files. Works fine.

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