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It is helpful to be able to approve any required logons to the system that you need to verify on the new device using the Authenticator account approval on your old device.
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This advice is found on the following Microsoft Support page down the page a bit: Perform the update by deleting your old device and adding your new one. Update your account and device information in the. This is a multi-step solution: Set up your device to work with your account by following the steps in the Set up my account for two-step verification article. If you have a new mobile device, you'll need to set it up to work with two-factor verification. I have a new mobile device and I want to add it (this advice is for when just recovering your Authenticator account from a backup on your new device is not sufficient to restore full account verification). To provide the additional security verification by scanning a QRcode for my Microsoft work accounts after moving to a new iPhone, I found the following paragraph on a Microsoft Support page helpful.
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