Title: Some users may have been unable to view results of default vertical ‘All’ searches in any Microsoft 365 service
User impact: Users may have been unable to view results of default vertical ‘All’ searches in any Microsoft 365 service.
More info: Impact may have occurred in the Microsoft 365 portal and SharePoint Online service.
Final status: We’ve reverted the offending change and confirmed that impact has been remediated after receiving confirmation from affected users.
Scope of impact: Impact was specific to some users who were served through the affected infrastructure.
Start time: Friday, September 15, 2023, at 6:00 AM UTC
End time: Wednesday, September 20, 2023, at 8:00 AM UTC
Root cause: A recent standard service update inadvertently contained a code regression, which resulted in an unexpected impact.
Next steps:
– We’re reviewing our update procedures to better identify similar issues during our development and testing cycles.
This is the final update for this event.
