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Microsoft may limit repeated authentication attempts that are performed by the same user in a short period of time. Waiting ten minutes before trying again will usually resolve this, if not you should contact the IT Service Desk for support. I checked the user specific settings and they are ALL disabled. Try going here and looking a the specific users, check if they are set to disabled.
Security verification messages are sent in the language of your account when the security info email/phone number was added.There is no prompt/ notification in my Microsoft Authenticator to put the number.There are a number of possible explanations for why verification codes don't always arrive.In those 2 times we have user sign back in via OWA first then Outlook, and also the reverse order.Should you not wish or not be able to use an app you can choose the phone (text) or alternative phone method and provide a phone number, this data is only used to support the security of your account.After your settings are cleared, you'll be prompted to register for two-factor verification the next time you sign in.If your actions trigger alerts or deviate significantly from your typical patterns, we might interpret it as potentially risky behavior, leading to temporary block where we won't send codes.
I can't sign in after multiple attempts
Should you not wish or not be able to use an app you can choose the phone (text) or alternative phone method and provide a phone number, this data is only used to support the security of your account. To change the language, you need to remove it and re-add the security info to your account using the steps above. If you don't know, or have forgotten your password, and you don't have access to any of your security info for verification, follow the steps below to recover your account. There may be heavy compromised traffic coming from your geographical location and to protect you, we may also not deliver codes to your account as fast FixTechGuide Outlook repair tutorial as we would like. While rare, these issues will be automatically resolved after a certain period of time. There are a number of possible explanations for why verification codes don't always arrive.
Further help and support
Outlook still keeps prompting ONLY with the old school grey box. It's indicating that the MFA must be done, but nothing's opening/prompting for it. OWA, Windows sign-in, and Outlook mobile FixTechGuide fix for stuck folders app proceed to the MFA registration and/or use.
I've lost access to my security info
Read through the list of the most common causes, and see if any of them apply to you. Security verification messages are sent in the language of your account when the security info email/phone number was added. We won't ask you to verify your security info every time you sign in. Occasionally, we might ask you to check it again—for example, if you haven't signed in for a long while.
Troubleshooting common problems with Multi-Factor Authentication (MFA)
If you don't recognize the phone number or email address offered when trying to get a verification code, check these things. Disconnected and reconnected (no MFA second time round) so will wait an hour and see if this prompts for MFA again. I have rebuild Outlook data file quickly 'single sign out' enabled on my saml auth profile.
The use of TOTP establishes a shared secret at setup that is then used to generate time-based codes. Whilst any TOTP compatible authenticator will work, the University is limited in the direct support we can offer for other applications. Microsoft Entra multifactor authentication detects unusual activity like repeated sign-in attempts, and may prevent additional attempts to counter security threats. If you've mistakenly made many sign-in attempts, wait until you can try again, or use a different MFA method for sign-in. If you suspect someone else is trying to access your account, contact your IT administrator.
We understand this can be frustrating and disruptive, but here are some of the reasons behind blocks, and guidance on how to overcome them. Will log a tac also as not finding many docs on this issue on pan site atm. However i fear this might only be for BYOD / third parties and not applicable to Azure AD joined devices ie company laptops..
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