Enable two-factor authentication in Microsoft 365 - Kunnskapsbasen
Enable two-factor authentication in Microsoft 365
This guide shows you how to setup and prepare for two-factor authentication in Microsoft 365, step by step. To complete the setup, you will need a computer and your mobile phone. We recommend that you set up a passkey as your login method. It's a safe and easy way to log in, and provides better protection against fake login sites.
Norsk versjon - Aktivere tofaktorautentisering i Microsoft 365
Topic page about IT services | Pages labeled with two-factor
On your PC or Mac
- If you have registered twofactor authentication with Micorsoft Authenticator, continue to On you phone point 2.
- Go to the Microsoft Security Page on your computer browser and sign in.
- If you only have SMS enabled as two-factor authentication click Text +47 xxxxxxxx.
- Enter the code you receive on your phone.
- Chose My account, Security info in the menu on the left.
- Click + Add sign-in method.
- Chose Passkey in Microsoft Authenticator
- Click Next
On your phone
- Open the App Store (iPhone) or Google Play Store (Android) on your mobile device and install Microsoft Authenticator. Or scan one of the QR-codes with your phone.


- Open Microsoft Authenticator
- Tap + (in the right corner)
- Chose Work or school account
- Sign-in with your NTNU-user account
- If you only have SMS enabled as two-factor authentication, click Text +47 xxxxxxxx.
- Enter the code you receive on your phone.
- Tap Continue
- Enter your pin, fingerprint or face recognition when asked.
- Tap Done
How to reset your sign in method with ID-Porten
If you have lost or no longer have access to your phone, you can sign in via ID-Porten to set up two-factor authentication on a new phone. If you are unable to use ID-Porten you must ask Orakel Support Services for help setting up two-factor authentication on a new phone.
How to set up a new sign in method with temporary access pass
If you do not have access to your old authenticator device, you can get help from Orakel Support Services to set up a new sign in method via a temporary access pass.
To add a new sign in method with a temporary access pass you have to:
1. Go to aka.ms/mysecurityinfo in your browser.
2. Enter your NTNU e-mail address and click Next.
3. Under the log in request (?), click I can´t use my Microsoft Authenticator app right now.
4. Use temporary access pass and enter the code given to you by Orakel Support Services.
5. Add sign in method.
6. Follow the instructions above on this page to set up a new two-factor authentication method.
7. As soon as the new method is activated, you can delete the old one.
Contact
Orakel Support Services can help you if you have questions or encounter difficulties.