To set up the Microsoft Authenticator app on multiple devices, please follow the steps below.
- Install the Microsoft Authenticator app on your second device.
- Open a browser on your computer and sign in to O365 at https://login.microsoftonline.com.
- Sign in with your EdUHK email address and password, then click "Next".
- Your will receive a notification on your registered device. Tap on the notification and choose "Approve".
- Then click your profile icon in the top right-hand corner and select "View account".
- Choose "Security info" from the left menu, then click "+ Add method".
- Open the drop-down list and choose "Authenticator app", then click "Add".
- Click "Next" if you have installed the Microsoft Authenticator app. If you have not downloaded the app, click "Download now".
- Click "Next".
- When you see the following screen, open the Microsoft Authenticator app on your second device.
- Click the + button in the top right-hand corner and choose “Work or school account”.
- Now scan the QR code on the browser with your device. If you cannot use your phone camera, click "Can't scan image?" to enter the 9 digit code and the URL instead.
(Note: For iPhone users, you may need to change the app permission to scan the QR code: Settings > Authenticator > Camera) - A 6 digit code will be shown and your account is added.
- Click "Next" on your computer.
- A notification is sent to the Microsoft Authenticator app on your second device.
- You will receive a notification on your second device.
- Tap on the notification, enter the number displays and tap “Yes” for verification.
- When you see the following screen, click "Next".
- Your second device is registered successfully and it will be shown in the list of security info methods.
- From now on, all your registered devices will receive notifications from the Microsoft Authenticator app when you sign in. You only need to verify on one of the devices.