Microsoft 365 Alert – Service Degradation – Exchange Online – Some users searches may fail and provide no results in the Outlook desktop client and Outlook on the web – RESOLVED
03/01/2025 09:09:00 AM
NHSmail Reference: INC47829039
Microsoft Reference: EX939228
Issue Status: RESOLVED
Issue Description: User’s searches may fail and provide no results in the Outlook desktop client and Outlook on the web.
Current Update: 27/01/2025 08:58:00 AM – The fix deployment has completed, and after a period of monitoring, Microsoft have confirmed impact was remediated.
Scope of impact: Some users attempting to perform searches in the Outlook desktop client and Outlook on the web may be intermittently impacted.
Root cause: A service memory issue is causing the infrastructure responsible for facilitating core service search to intermittently go into an unresponsive state.
Next Steps: To help prevent similar impact in the future, Microsoft are further reviewing the underlying cause of the service memory issue.