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Amar-9735 asked tbgangav-MSFT commented

Azure Alerts: Experiencing authentication issues

The portal is having issues getting an authentication token. The experience rendered may be degraded. Additional information from the call to get a token: Extension: Microsoft_AAD_IAM Resource: identity.diagnostics Details: AADSTS50013: Assertion failed signature validation. [Reason - The key was not found., Thumbprint of key used by client: ''] Trace ID: Correlation ID: Timestamp: 2021-03-15 19:32:39Z

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Hi @Amar-9735,

Just FYI, You can check the latest information w.r.t it in this thread as well.

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tbgangav-MSFT answered

Hi @Amar-9735,

Our sincere apologies for your experience.

We had an outage causing Authentication errors across multiple Microsoft services.

SUMMARY OF IMPACT: Starting at approximately 19:15 UTC on 15 Mar 2021, some customers may experience issues authenticating into Microsoft services, including Microsoft Teams, Office, Dynamics, Xbox Live, and the Azure Portal. Other Azure services that rely on authentication infrastructure downstream may see further impact.

CURRENT STATUS: We have completed rollout of a fix addressing the Azure Active Directory underlying cause, mitigating impact to Azure Active Directory and the Azure Portal. Some customers may continue to see signs of recovery.

At this time, a subset of Azure services may be experiencing residual impact due to downstream impact to Azure Storage service; we are currently preparing deployments, in line with safe deployment practices, to mitigate residual impact to Azure Storage. The next update will be provided in 60 minutes or as events warrant.

This message was last updated at 04:40 UTC on 16 March 2021

For latest status please review the Azure status page. Thanks.

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