Some users may be unable to access Exchange Online through multiple connection methods
Issue ID: EX928239
Affected services: Exchange Online
Status: Service degradation
Issue type: Incident
Start time: 8 Nov 2024, 07:01 GMT
User impact
Users may be unable to access Exchange Online through multiple connection methods.
More info
The following connection methods include but may not be limited to:
– Representational State Transfer (REST)
– Messaging API (MAPI)
– Exchange ActiveSync (EAS)
Scope of impact
Impact is specific to users who are served through the affected infrastructure.
Root cause
An authentication component misconfiguration in a section of Exchange Online infrastructure has resulted in impact.
Current status
8 Nov 2024, 09:29 GMT
We’ve identified that an authentication component misconfiguration in a section of Exchange Online infrastructure has resulted in impact. We’re repairing the configuration to the affected infrastructure in order to remediate impact.
Next update by:
Friday 8 November 2024 at 11:30 GMT