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Some users’ searches may fail and provide no results in the Outlook desktop client and Outlook on the web

Issue ID: EX925169
Affected services: Exchange Online
Status: Service degradation
Issue type: Incident
Start time: 4 Nov 2024, 16:17 GMT

User impact
Users’ searches may fail and provide no results in the Outlook desktop client and Outlook on the web.

Scope of impact
Some users attempting to perform searches in the Outlook desktop client and Outlook on the web may be impacted.

Current status
8 Nov 2024, 01:22 GMT
We’re continuing the restart process of the subset of impacted Exchange Online service infrastructure. In tandem, we’re analyzing the service logs to pinpoint why the 503 errors are being returned.
Next update by:
Friday 8 November 2024 at 16:30 GMT