M365 service Europe outage - AADSTS90033 A transient error has occurred. Please try again.

Microsoft users from Europe have seen a nasty outage on Monday morning. Most Microsoft 365 services are down with complaints including - Outlook, Teams, SharePoint, Exchange, OneDrive, Yammer, Azure, Admin Portal. You can track the status from http://status.office.com or MO229871 in the Admin Center.

Impacted users may see the error message when attempting to access some Microsoft 365 services

AADSTS90033 A transient error has occurred. Please try again.

Title: Some users may be experiencing issues when attempting to access multiple Microsoft 365 services

User Impact: Users may be experiencing issues when attempting to access multiple Microsoft 365 services.

More info: Impacted users may see the error message when attempting to access some Microsoft 365 services: "AADSTS90033: A transient error has occurred. Please try again."

Current status: We're reviewing system telemetry to isolate the source of the issue.

Scope of impact: Impact is specific to users who are served through the affected infrastructure in Europe.

⚡️ LATEST UPDATE ON FIX

Official M365 Twitter handle @Microsoft 365 Status has updated they have performed optimizations to remediate impact and monitoring to confirm the issue is fully resolved.

We've identified that a section of backend components, used to facilitate Azure Active Directory (AAD) authentication request were performing below acceptable thresholds. We've performed optimizations and rerouted user connections to remediate impact. We're monitoring the environment to confirm that the issue is resolved.

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