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I am experiencing difficulties with 3D Secure in Internet Explorer - what's happening?

A small minority of customers are experiencing difficulties completing a booking through 3D Secure - they are receiving an 'Internet Explorer cannot display this webpage' at the verification stage.

This maybe because of a setting in your Internet Explorer options (it should be enabled by default but maybe inadvertently disabled on some computers).

Please follow these instructions if using Internet Explorer (ensure you are using the latest version):

  • In Internet Explorer, press “Tools” > select “Internet options” > select “Advanced” tab
  • Scroll down towards the bottom and ensure “Use TLS 1.0” is ticked, then press OK
  • Close the browser, reopen it and start from www.irishrail.ie again

3D Secure - Internet Explorer TLS Settings