[Access Control] Login Flow Using a One-Time Password (Legacy Login Screen)

Overview

This article explains how to log in to Access Control using OTP. You can learn how to use HENNGE Lock, how to use it in combination with a device certificate, and how to use an emergency OTP.

Notes

1. The content of this article is based on product specifications as of November 2026 and may be changed without notice.
2. Screen displays may vary depending on the OS, version, and model of the device you use.
3. For information on how to install and configure the application for receiving OTPs, refer to the following article.
   [Access Control] Configuration for Receiving OTP (One-Time Password) via Connected Application

Table of Contents

• Username + Password + HENNGE Lock
  When you want to reduce the number of times you enter a one-time password and improve convenience
• Device Certificate + HENNGE Lock
  When you want to combine a device certificate with passwordless authentication and security
• Emergency OTP
  ※ An emergency OTP must be provided by an administrator in advance.

Procedure

Username + Password + HENNGE Lock

1. Access the User Portal. Enter your username and password on the login screen, then log in.

   

2. ［Please approve the login］ is displayed in the browser.

   

3. A HENNGE Lock push notification is sent to the device（iOS/Android）on which HENNGE Lock is configured.

4. Open HENNGE Lock on the device. When the login confirmation is displayed, tap ［Allow］.

   

5. The browser screen changes. The User Portal is displayed.

   

Device Certificate + HENNGE Lock

1. On the ［HENNGE Authentication Screen］, click ［Certificate Login］.

   

2. A pop-up for selecting a device certificate is displayed. Select the applicable certificate.
   ※ If multiple certificates are installed, multiple certificates will be displayed.
3. A HENNGE Lock push notification is sent to the device（iOS/Android）on which HENNGE Lock is configured.

4. Open HENNGE Lock on the device. When the login confirmation is displayed, tap ［Allow］.

   

5. The browser screen changes. The User Portal is displayed.

   

Emergency OTP

1. Access the User Portal. Enter your username and password on the login screen, then log in.

   

2. ［Please approve the login］ is displayed in the browser. Click ［Enter OTP（6-digit number）］.

   

3. On the OTP entry screen, enter the emergency OTP. Click ［Log In］.

   

4. The User Portal is displayed. Configure OTP.
   For the OTP configuration procedure, refer to the following article.
   [Access Control] Configuration for Receiving OTP (One-Time Password) via Connected Application

References

Username + Password + HENNGE Lock

Device Certificate + HENNGE Lock

For instructions on configuring HENNGE Lock, please refer to the following article.
[Access Control] Configuration for Receiving OTP (One-Time Password) via Connected Application

Translation Disclaimer

This article has been automatically translated from the original Japanese version for your convenience.
While we strive to ensure accuracy, we cannot guarantee its reliability or completeness.

In the event of any discrepancies or questions regarding the content, the official Japanese version shall prevail.