As the message says, a risky sign-in was detected. An admin will need to review the risk events and decide whether to unblock the user. Read here: https://learn.microsoft.com/en-us/azure/active-directory/identity-protection/howto-identity-protection-investigate-risk
We have detected something unusual about this sign in-Your Sign in was blocked
Hello
Please i need your help.
End-user is not able to access/log into MS Teams stating account blocked so please help up to get this fix asap.
Here is the screenshot
Microsoft Security | Microsoft Entra | Microsoft Entra ID
Microsoft Teams | Microsoft Teams for business | Other
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Vasil Michev 119.6K Reputation points MVP Volunteer Moderator
2022-03-15T13:46:26.36+00:00
2 additional answers
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Andy David - MVP 157.6K Reputation points MVP Volunteer Moderator
2022-03-15T13:46:30.207+00:00 Look in the Azure Sign In logs for that user or Correlation ID.
Most likely its blocked by a policy or Sign in Risk
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Carlos Solís Salazar 18,191 Reputation points MVP Volunteer Moderator
2022-03-15T14:52:10.153+00:00 Hi @IBN
Thank you for asking this question on the **Microsoft Q&A Platform. **
As Azure AD administrator, unlock the user account and (I recommend you) force the change password for the user.
Hope this helps,
Carlos Solís Salazar----------
Please "Accept as Answer" and/or Upvote if any of the above helped so that, it can help others in the community looking for remediation for similar issues.