Check Duplicacy At Register module allows to check the duplicacy at customer register. The module is very useful in order to prevent the registration of  duplicate customer names. As many accounting  software like QuickBooks don't allow the two customers with the same name and when syncing the data from the opencart to other platform, It creates the problem. So this module will  resolve these problems.

Features:

1. Prevent duplicate customer in your site.

2. Prevent first name, last name and telephone duplicates.

3. Admin can enable/disable any field or module at any time.

4. Supports multi store.

5. Work with all themes.

Demo Link: