How to avoid registering duplicated members


How to avoid registering duplicated members

Hello, This is Kuroda from the Quality Control Department. I feel a beggining of autumn in the morning and evening. In this article, I would like to explain how to Avoid registering duplicated member, which is one of the most common questions we receive when registering/editing members in learningBOX.

When you register a member in learningBOX, you would would see messages such as “Sign in ID is already in use”, “Display name is already in use” and “Email address” is already in use” and you stuck to register members.
You can avoid these by using this workaround which I describe in this article.


Click here for the table of contents

  • 1. learningBOX member registration
  • 2. Why are there duplicated member registrations?
  • 3. How to avoid those?
  • 4. Summary


learningBOX member registration

Member management feature allows you to create multiple groups and distribute different learning contents to each group. Members can belong to multiple groups.

You can set up five types of permissions for registered members: “Group Management”, “Course Content Management”, “Score Management”, “Content Assignment” and “Administrator”.

By using those permission settings, an admin user can authorize users to perform actions such as “Manage Contents”, “Manage Scores” and “Assign Contents”.
Authorized users can create contents, check and manage learner’s score information, assign contents to selected groups, and manage setups as same as the admin user. For more information, please check this article.
=> How to give right permission to members

Why are there duplicated member registrations?

By default, user does not allow to register the sign in ID, display name, and email address that is already registered by a different admin user on learningBOX shared server.

Therefore, once user registers for a new account with your sign in ID, name, display name and email address, you will receive an alert saying “Xxxx is already in use”.

How Shared Server Works

A shared server is a rental server where one server is shared by multiple users. You can understand easily as renting a room in an apartment building where one server is shared by multiple users.


How to avoid duplicated member registrations

In this article, we will show you how to avoid duplicated sign in IDs and email addresses at the member registration.

How to avoid duplicated sign in IDs

The sign in ID should be alphanumeric characters (a to z 0 to 9) and special characters are ! “# $ % & ‘ ( ) * + , – . / : ; < = > ? [ [ [ [ = > ] ^ _ `. Mixing numbers and special characters will prevent duplication.
=> Invite Members

How to avoid duplicated email addresses

Starting with version 2.11.18, in order to avoid duplicated email address errors, an alias can be created by using the +++ symbol.
A simple explanation of this feature is that it allows you to create multiple email addresses.

All you have to do is add “+xxxx” to the end of the email address and you can use it just like a normal email address. All messages sent to the email alias will be delivered to the mailbox of the original email address.

Click here for specific examples.…1… (2)
Since (1) and (2) are aliases for the original email addresses, all emails to these addresses will be sent to “”.

=> How to avoid duplicate email addresses

Change to the Dedicated Server plan

If you want to avoid the potential duplicated registrations, we recommend you to consider the Dedicated Server plan.
By using the dedicated server, you can use learningBOX more flexible.

Advantages of using a dedicated server
You can provide a comfortable learning setup without being affected by the other company operation.
You can choose when to upgrade your system as well as customizing the design of learningBOX and setting your own domain.

=> Dedicated Server Plan


In this article, we explained how to avoid duplicated member registration for learningBOX. We will continue to develop “learningBOX” to increase user experience



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