How to Use the Common Login Account

*Note: This page was translated by AI from the Japanese original. In case of any discrepancy, the Japanese version shall prevail.*

This guide explains how to set up and use your Common Login Account (Single Sign-On / SSO) to securely access various services provided by the Division of Analytical Electron Microscopy, IMR, and the Analytical Research Core for Advanced Materials (ARCAM).

[Important Notice]
This Common Login Account is unrelated to our Equipment Reservation System (https://www.aem.imr.tohoku.ac.jp/reserve/).
For equipment reservations and user applications, please continue to use the Reservation System as usual.


1. Account Application

If you do not yet have a Common Login Account, please submit an application from the following page:

*For Existing FTP/NAS Users:
Existing FTP/NAS user accounts are already registered in the system. However, to use them as Common Login accounts, you must activate your account by performing an initial password reset following the steps below.


2. Initial Setup: Password Reset and Two-Factor Authentication (2FA)

Upon your first login, please register your permanent password and set up Two-Factor Authentication (Email OTP) via the password reset feature.

Step 1: Access the Common Login Management Site

Navigate to the Common Login management portal (Keycloak):

Step 2: Initiate Password Reset

On the login screen, click “Forgot Password?”.

Click Forgot Password
Click ‘Forgot Password?’ on the login screen

Step 3: Enter Your Registered Email Address

Enter your registered Email address (or username) and click “Submit”.

Enter email address and submit
Enter your email address and click Submit

A confirmation message will appear, and a password reset link will be sent to your email.

Email sent confirmation
Confirmation screen indicating the reset email has been sent

Step 4: Check Your Email

Open the email you received and click the Password Reset Link provided in the message.

Password reset email link
Click the link in the password reset email

Step 5: Verify Email Address (if prompted)

If a screen asking for email verification appears, click the verification link in the confirmation email (this may be skipped if pre-verified by administrators).

Email verification required
Screen prompting email verification
Email confirmation link
Click the verification link in the received email

Step 6: Set Your New Password

Enter your new password and click “Update” (or Submit).

Password update screen
Enter and confirm your new password

Step 7: Configure Two-Factor Authentication (2FA)

The 2FA method selection screen will appear. For security reasons, 2FA setup cannot be skipped.

Here, select standard “Email Authentication” and click “Enable Email Authentication”.

*Note: In addition to email authentication, you can also register Authenticator Apps (OTP) or Passkeys. Detailed setup guides for OTP and Passkeys will be introduced on a separate page.

Select 2FA method
Select Email Authentication as your 2FA method
Enable email authentication
Click to enable email authentication

A notification will appear indicating that a verification email has been dispatched.

Verification email sent
Notice that the verification code email has been sent

Step 8: Enter One-Time Access Code

Check your email inbox for the Access Code (One-Time Passcode).

Access code email
Check the access code in your email

Return to the browser form, enter the code, and click “Confirm” (or Sign In).

Enter access code
Enter the access code and submit

Step 9: Setup Completed

Once password update and 2FA configuration are complete, the confirmation screen will be displayed.

Setup complete screen
Password update and 2FA setup completed screen

*If an error occurs due to timeout:
If the session expires before entering the code, you can simply log in using the newly updated password to complete the 2FA configuration.

Error/Retry login screen
Log in with your updated password if session expires

3. Account Management (Login, Settings, and Sign-out)

After completing the initial setup, you can manage your account information, update passwords, and configure security settings at any time via the Common Login portal.

Login Procedure

Enter your username (or email) and password to sign in.

Login form
Enter username and password

A 2FA one-time passcode will be sent to your email.

2FA notification email
Email containing the 2FA access code

Enter the code and click “Sign In”.

Enter 2FA code
Enter the access code to sign in

Personal Account Page & Sign-out

Upon signing in, your account dashboard is displayed where you can review your personal profile and security configurations.

Account dashboard
Personal account management dashboard

When finished, click “Sign Out” from the top-right user menu.

Sign out menu
Click Sign Out from the menu

You will be redirected back to the login screen upon successful sign-out.

Signed out screen
Login screen after signing out

4. Service Usage Example: Accessing Connected Services

Here is an example of accessing connected services (such as remote instrument screen streaming) using your Common Login Account.

Step 1: Select Service from AEM Website

From the top navigation bar of the AEM website, open the “Common Login” menu and choose the desired service.

Common Login menu
Select service from the Common Login dropdown menu

Step 2: Sign In via Common Authentication

Enter your username and password on the service login page.

Service login screen
Service login portal
Enter credentials
Enter credentials and click Sign In

Enter the 2FA access code received via email to proceed.

2FA email notification
Access code notification for service login
Check access code
Verify the access code in email
Enter access code
Submit access code to sign in

Step 3: View Service Dashboard

Once authenticated, the service interface will open (the example below shows the remote instrument screen streaming system):

  • Instrument List: Displays all available equipment.
  • Screen Channel List: Select the display channel for the target instrument (e.g., JEM-ARM200F STEM corrector model).
  • Live Streaming View: Displays the instrument control interface (TEM Center, etc.) in real time.
Instrument list
List of available instruments
Screen channels
Screen selection for JEM-ARM200F
Live stream view
Live stream of TEM Center control screen