Sign in

These are frequently asked questions about signing in.

• THERS account Setup Guide
• How to log out from the Federated Authentication of THERS system.
• Error code 700003 appears when signing into Microsoft 365
• Error "We didn’t hear from you" signing in to Microsoft 365 Copilot. Error Code: 500121
• The message "Another account from your organization is already signed in on this computer" appears when signing in to Microsoft 365 Copilot.
• Error "Something Went Wrong" signing in to Microsoft 365 Copilot.
• An error occurs even when THERS account is entered at the time of sign-in.
• "This device has been disabled by your organization" Error Code: 135011
• Can you sign in to Microsoft 365 Copilot simultaneously with both an THERS account and a different account?
• Error "Something went wrong [80180014]" appeared during Windows account setup on my new PC.
• Error "This username may be incorrect." signing in to Microsoft 365 Copilot.
• The message "That Microsoft account doesn't exist." appears when signing in to Microsoft 365 Copilot.
• After signing in to Microsoft 365 Copilot, my name appears with incorrect kanji characters. What should I do?
• THERS account sign-in to Microsoft 365 Copilot shows incorrect Romanized name spelling.