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.

• Microsoft may limit repeated authentication attempts that are performed by the same user in a short period of time.
• I checked the user specific settings and they are ALL disabled.
• 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..
• Mark @accountprotection.microsoft.com as a trusted sender to receive your verification code in your inbox.
• I’d start by checking if those users are somehow excluded from security defaults or if there’s a conditional access policy overriding them.
• If you've mistakenly made many sign-in attempts, wait until you can try again, or use a different MFA method for sign-in.

I can't sign in after multiple attempts

When you see a message asking you to make sure you can receive a verification code, verify or add new security info. You can skip it for 24 hours at a time, but after seven days from the first notice you'll Troubleshoot Office 365 Sync and Login Issues have to verify or add new security info before you can sign in again. In those 2 times we have user sign back in via OWA first then Outlook, and also the reverse order. Microsoft works to protect you, your accounts, and our services by assessing the trustworthiness and credibility of every sign-in, sign-up, or customer interaction. 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.

Further help and support

A vast community of Microsoft Office365 users that are working together to support the product and others. At first logon, i was prompted for MFA resolve Outlook not sending emails fast and connected successfully. If none of the recommendations on this page have resolved the problem, you can contact the IT Service Desk for support.

I've lost access to my security info

When I switch from company's Teams to client's, I am asked to log in. The log in prompt shows a code and to authenticate it in Microsoft Authenticator. There is no prompt/ notification in my Microsoft Authenticator to put the number.

Troubleshooting common problems with Multi-Factor Authentication (MFA)

The error could be caused by malicious activity, misconfigured MFA settings, or other factors. To investigate further, ask an IT administrator to look at the Microsoft Entra sign-in logs. I’d start by checking if those users are somehow excluded from security defaults or if there’s a conditional access repair corrupted OST in Outlook policy overriding them. Also, make sure they’re using apps that support 2FA—older clients sometimes skip the prompt.

What Our Users Say

Log off, log back in again and does not prompt for MFA anymore. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Find solutions to common problems or get help from a support agent. If you are sure the email address is correct, you may need to recover your account.

Question activity

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..