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Multi-factor Authentication

To access the new location of this knowledge base entry, click on the link(s) below.

• If you are not logged into your Trinity Microsoft 365 account, then after clicking the link, you will first be prompted to enter your Trinity email address followed by your password.
• Once logged in, you will be able to access and view the knowledge base entry.

Multi-factor Authentication (MFA) is required for all staff and students who wish to access services such as Microsoft 365, MyZone, and the VPN (staff only) when not on the campus network.

All our information about using multi-factor authentication (MFA) can now be found in the IT Service Desk portal (assist.tcd.ie). We have listed links to all relevant knowledge base entries below.

Setting up MFA

For a personal account

• Set up multi-factor authentication (MFA) for a personal account - Authenticator app (pairing)
• Set up multi-factor authentication (MFA) for a personal account - Authenticator app (QR Code)
• Set up multi-factor authentication (MFA) for a personal account - Phone text code

For a non-personal (shared) account

• Set up multi-factor authentication (MFA) for a non-personal (shared) account
• Add a new device or user to a non-personal (shared) account

Reviewing/changing/adding sign-in methods

• Review or update your multi-factor authentication (MFA) settings
• Change your verified phone number for multi-factor authentication (MFA)
• Add an alternative multi-factor authentication (MFA) method - phone
• Add an alternative multi-factor authentication (MFA) method - Microsoft Authenticator
• Use an alternative sign-in method for multi-factor authentication (MFA)
• Delete an app password for multi-factor authentication (MFA) when a device is lost, stolen, or given away

Using MFA

• What you will see when using multi-factor authentication (MFA)
• Using the “Don’t ask again for 30 days” option in multi-factor authentication (MFA)