Microsoft Entra ID
Microsoft Entra sign-in failed because the account is locked
AADSTS50053: IdsLocked
Microsoft Entra ID rejected the sign-in because the account is locked, often after too many failed attempts or risk-based protection action.
Error AtlasError Documentation and ResolutionObserved message
AADSTS50053: IdsLocked
Why it happens
- The account is locked after repeated failed sign-in attempts.
- Microsoft Entra protection controls blocked the account because of risk or suspicious activity.
- The user is trying to authenticate while the account is still in a locked state.
How to fix it
- Review the user sign-in logs and account state in Microsoft Entra.
- Follow the organization's unlock or password reset workflow if the account is locked.
- Investigate whether conditional access or identity protection contributed to the lock.
Official reference
Microsoft Entra sign-in error referenceRelated errors
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