(!) In the event of theft immediately notify the helpdesk . We urge you to report any incident.
Have you lost or no longer use a device? Then remove it from your list of authentication devices.
Did you find your device? Contact the helpdesk to enable it again.
Tip: If you lose a device, it is better to sign out from all your devices. Surf to https://mysignins.microsoft.com/security-info and click "Sign Out Everywhere" at the bottom of the page.
So with MFA you use a combination of:
There are several reasons why signing in with the Microsoft Authenticator app fails:
Yes. There are alternative verification methods that don't require a smartphone.
If the battery is empty, you will not be able to receive an SMS code or telephone call on that number.
If you are using the Microsoft authenticator app
Yes, you must add the new device to your settings.
If you are using the "sms-code" or the "phone me" method
No, you dont need to change any settings
Yes, you can, even though we recommend the Microsoft Authenticator app.
Keep in mind that our helpdesk only supports the Microsoft Authenticator app.
Some examples of other authenticator apps: