MFA Security Issues

Fix Microsoft Authenticator Not Prompting for Shared OneDrive Folders

Tauseeq MagsiTauseeq Magsi Oct 9, 2026 868 views

Question details

The user is unable to access a shared OneDrive folder because the Microsoft Authenticator app is not sending the required MFA approval prompt or verification code.

Fix Microsoft Authenticator Not Prompting for Shared OneDrive Folders
Product
Microsoft OneDrive and Microsoft Authenticator
Device & OS
not provided
Scenario
Attempting to open a shared OneDrive folder that is protected by Multi-Factor Authentication (MFA).
Observed behavior
The Authenticator app does not show a number-matching request or generate a code, alternative sign-in methods like SMS are unavailable, and the sign-in prompt eventually times out.
Before you start

Ensure your mobile device has an active internet connection, battery saver modes are not restricting background data, and notifications are explicitly enabled for the Microsoft Authenticator app in your device settings.

Solution 1Recommended

Manually Check for Pending Authenticator Prompts

Use this solution if the push notification fails to appear on your device's lock screen but the sign-in request is actively waiting for approval inside the app.

Network delays, background app restrictions, or operating system glitches can sometimes prevent push notifications from appearing automatically. Opening the app manually often forces it to sync with Microsoft's authentication servers.

1
Keep the sign-in screen open

Leave the browser or application showing the OneDrive sign-in and number-matching prompt open on your computer or main device.

2
Open Microsoft Authenticator

Unlock your mobile device and manually open the Microsoft Authenticator app.

3
Refresh the accounts list

Swipe down on the main accounts screen to refresh the app. If a prompt is pending, it should now appear, allowing you to enter the matching number.

4
Verify registered account

If no prompt appears, tap your account name in the list to ensure the email address exactly matches the one invited to the shared OneDrive folder.

Manually Check for Pending Authenticator Prompts
Check Work or School Account settings: If you are accessing a corporate folder, ensure your Work or School account profile inside the Authenticator app does not show an 'Action Required' warning.
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Frequently Asked Questions

Why doesn't the Microsoft Authenticator prompt show up on my phone?

This typically happens due to network connectivity drops, aggressive battery optimization settings on your phone blocking background app refreshes, disabled app notifications, or a temporary synchronization bug between the Authenticator app and Microsoft's servers.

Can I use SMS or email instead of the Authenticator app for this shared folder?

You can only use SMS or email if the organization that shared the folder allows fallback methods in their security policies. If the prompt only offers the Authenticator app, it means their IT administrator has disabled alternative, less secure verification methods.

What does 'number matching' mean in Microsoft Authenticator?

Number matching is a security feature that requires you to type a two-digit number displayed on your computer screen into the Authenticator app on your phone. This ensures you are actively attempting to sign in and prevents you from accidentally approving fraudulent login attempts.