Microsoft 365 Exchange Online Service Degradation
View the provider incident record →Current answer
Perception Point experienced a major incident: Microsoft 365 Exchange Online Service Degradation. ServiceAlert observed recovery on Nov 12, 2026.
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ServiceAlert observed status change:
Provider-reported start: . Notice published: .
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Incident Lifecycle
Affected Components
Email Scanning
Incident Timeline
Investigating
Microsoft has reported an ongoing service degradation affecting Exchange Online connectivity. The issue may prevent users from accessing their mailboxes through multiple connection methods, including Outlook on the web, MAPI, EAS, and REST APIs.
This incident originates from Microsoft's infrastructure and is outside our control. As a result, Microsoft 365 integrations and related functionality may be affected.
Microsoft is actively investigating the issue. For the latest updates, please refer to the Microsoft 365 Service Health portal:
https://admin.cloud.microsoft/?source=applauncher#/servicehealth/:/alerts/EX1550543
Microsoft Incident ID: EX1550543
We will continue monitoring the situation and provide updates as necessary.
This incident originates from Microsoft's infrastructure and is outside our control. As a result, Microsoft 365 integrations and related functionality may be affected.
Microsoft is actively investigating the issue. For the latest updates, please refer to the Microsoft 365 Service Health portal:
https://admin.cloud.microsoft/?source=applauncher#/servicehealth/:/alerts/EX1550543
Microsoft Incident ID: EX1550543
We will continue monitoring the situation and provide updates as necessary.
Nov 12, 2026 at 6:51 PM UTC
Investigating
Microsoft has reported an ongoing service degradation affecting Exchange Online connectivity. The issue may prevent users from accessing their mailboxes through multiple connection methods, including Outlook on the web, MAPI, EAS, and REST APIs.
This incident originates from Microsoft's infrastructure and is outside our control. As a result, Microsoft 365 integrations and related functionality may be affected.
Microsoft is actively investigating the issue. For the latest updates, please refer to the Microsoft 365 Service Health portal:
https://admin.cloud.microsoft/?source=applauncher#/servicehealth/:/alerts/EX1550543
Microsoft Incident ID: EX1550543
We will continue monitoring the situation and provide updates as necessary.
This incident originates from Microsoft's infrastructure and is outside our control. As a result, Microsoft 365 integrations and related functionality may be affected.
Microsoft is actively investigating the issue. For the latest updates, please refer to the Microsoft 365 Service Health portal:
https://admin.cloud.microsoft/?source=applauncher#/servicehealth/:/alerts/EX1550543
Microsoft Incident ID: EX1550543
We will continue monitoring the situation and provide updates as necessary.
Nov 12, 2026 at 6:45 PM UTC
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