We often are asked about 2FA with Exchange. If you are a user of the Office 365 service, you’ve probably heard about two-factor authentication (also known as multi-factor authentication), which makes it more difficult for unauthorized users to access your Exchange online account. To use two-factor authentication, you’ll need a phone or tablet with a one-time password application installed. There are a variety of OTP applications available for both iOS and Android.
After you’ve added your two-factor authentication (SMS) app, the next step is to change your password. You can do this from the settings menu in the Admin Centre of your Microsoft 365 service. On the Manage My Account page, click the arrow next to “Sign in” and then “Change E-mail Account.” You’ll see a list of your accounts, including the one you’ve added.
To update the password on your Exchange account with 2FA, first check the security settings of your Exchange account. Make sure that your IT Administrator has enabled the service. If you’re using the Windows Remote Management (WinRM) service, you should be able to sign in. Then, sign in using 2FA to the Security & Compliance Center. After you’ve signed in, the Security & Compliance Center cmdlets will be imported into your Exchange account. Once successful, you’ll see a progress bar.
One my also use Microsoft’s support pages. The pages are a great resource. For answers to the above questions, go to Microsoft Support Pages.
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