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.

• We understand this can be frustrating and disruptive, but here are some of the reasons behind blocks, and guidance on how to overcome them.
• To investigate further, ask an IT administrator to look at the Microsoft Entra sign-in logs.
• The error could be caused by malicious activity, misconfigured MFA settings, or other factors.
• When I switch from company's Teams to client's, I am asked to log in.
• If you've tried these steps but are still running into problems, contact your organization's Help desk for assistance.

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 Repair Outlook Profile Online 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 Outlook Not Sending or Receiving Email app proceed to the MFA registration and/or use.

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)

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 modern authentication troubleshooting '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.





If you've tried these steps but are still running into problems, contact your organization's Help desk for assistance. If you're an admin for Microsoft Entra ID and need more support, contact global support phone numbers. If you no longer have access to the phone number or email address, or you need to add another way to sign in, select I don't have any of these when trying to sign in and follow the prompts. This will forget all Wi-Fi networks and passwords, mobile settings, Virtual Private Network (VPN) and Access Point Name (APN).