Microsoft 365 Alert – Service Degradation – Microsoft 365 suite – Some users may encounter performance issues with Outlook – RESOLVED

11/10/2024 08:39:00 AM

NHSmail Reference: INC46177326

Microsoft Reference: MO907654

Issue Status: RESOLVED

Issue Description: Users may encounter performance issues with Outlook.

More Information: Users may have noticed that Outlook was consuming higher-than-normal system resources, affecting all Outlook connection methods, including the desktop client and Outlook on the web.

Final Update: 11/10/2024 08:40:00 AM –  After monitoring and addressing the issue with affected customers, Microsoft are confident that it has been fully resolved. For users still experiencing difficulties, please follow the guidance in the “Resolution Steps” section.

Scope of Impact: The primary impact was on the Outlook client, though users on any connection method, including Outlook on the web and mobile apps, may have been affected.

Next Steps: Microsoft are reviewing the root cause to implement measures to prevent similar issues in the future.

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