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How to Fix Missing Microsoft Authenticator Push Notifications on Android
Question details
The user is unable to receive push notifications for sign-in approvals via Microsoft Authenticator after switching to a new Android device.
- Product
- Microsoft Authenticator
- Device & OS
- Android
- Scenario
- Attempting to sign in using two-factor authentication after replacing an old Android phone.
- Observed behavior
- The Authenticator app displays an eight-digit token instead of sending the required push notification with the two-digit approval number.
Ensure your new Android device has a stable internet connection and that 'Do Not Disturb' mode is turned off, as this can block incoming push notifications.
Enable Background Data and Disable Battery Optimization
Prevent the Android operating system from putting the Microsoft Authenticator app to sleep, which commonly interrupts push notifications.
Modern Android devices use aggressive battery management features that can suspend apps running in the background. If Microsoft Authenticator is put to sleep, it cannot maintain the background connection needed to receive push notifications in real-time.
Press and hold the Microsoft Authenticator app icon on your home screen or in the app drawer, then tap 'App info' or the 'i' icon.
Navigate to the 'Battery' or 'Battery usage' section and select 'Unrestricted', or ensure that battery optimization for this app is turned off.
Go back to the App info menu, tap on 'Mobile data' or 'Data usage', and toggle on 'Allow background data usage'.
Reinstall and Reconfigure Microsoft Authenticator
Reinstalling the app clears out corrupted local cache and forces the app to re-register its notification service token with Microsoft servers.
Discover WPS Office: A Lightweight and Free Alternative to Microsoft Office
While you troubleshoot your Microsoft account and authenticator apps, consider streamlining your document workflow with WPS Office. It provides a familiar, robust environment for your files without complex sign-in hurdles.
- 1. Visit the Website: Go to the official WPS Office website on your device.
- 2. Download the Installer: Click the 'Free Download' button to get the correct version for your operating system.
- 3. Install and Edit: Follow the simple installation prompts and open your Microsoft Office files instantly.
Frequently Asked Questions
Why does Microsoft Authenticator only show an 8-digit code instead of a push notification?
This usually happens when the app cannot reach Microsoft's notification servers due to background data restrictions, aggressive battery saver modes, or an unstable network connection on your Android device.
Will I lose my accounts if I uninstall and reinstall Microsoft Authenticator?
Yes, you will lose access to your generated tokens unless you have enabled Cloud Backup in the app settings prior to uninstalling. Always ensure you have a backup or a secondary verification method ready before removing the app.
How do I ensure Microsoft Authenticator has permission to send notifications on Android?
Go to your Android Settings > Apps > Authenticator > Notifications. Verify that the main switch for 'Allow notifications' is turned on, and ensure that both lock screen and banner permissions are enabled.
Does transferring apps and data to a new Android phone automatically transfer my Authenticator setup?
No. For security reasons, active MFA tokens are tied directly to the hardware of your old device. You must use the 'Begin recovery' option on the new phone or re-register the new device manually via your Microsoft account security dashboard.
