In using the 'back end' to register people for an event /civicrm/participant/add?reset=1&action=add&context=standalone.

I'm getting a message stating that email address is already registered for the event. The event allows for up to 6 additional participants.

1 Answer 1


A person is not allowed to register for same event twice with same email address. However this can be bypassed by enabling 'Same email address?' option under 'Online Registration' tab of an event.

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  • It is already checked. Version 4.7.25 if I didn't say that.
    – Interlated
    Commented May 17, 2018 at 1:09
  • Are you using front end or back end form to register? Commented May 17, 2018 at 6:26
  • Front end works fine - back end 'manually add' does not.
    – Interlated
    Commented May 17, 2018 at 20:29

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