Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Why can’t I sign in to authentication if I’m installing the app
Moved from Microsoft 365 and Office | Other
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
If you are unable to sign in to the authentication while installing the app, it may be due to several reasons related to the app's configuration or your device settings. Here are some potential issues to consider:
If these steps do not resolve the issue, you may need to consult your IT department or help desk for further assistance.