External users may have been unable to access shared SharePoint Online folders or files
External users may have been unable to access shared SharePoint Online folders or files
April 26, 8:08am ADT
April 26, 8:08am ADT
Title: Possible delays or problems when accessing SharePoint Online
User impact: Some customers have reported issues with accessing the service, or using features in SharePoint Online.
Current status: We’re looking into your reported issue and checking for impact to your organization. We'll provide an update within one hour.
April 26, 8:35am ADT
April 26, 8:35am ADT
Current status: We're analyzing service monitoring telemetry to determine the root cause and develop a mitigation plan.
Scope of impact: Impact is specific to External users who are served through the affected infrastructure.
Next update by: Tuesday, April 26, 2022, at 1:30 PM UTC
April 26, 10:13am ADT
April 26, 10:13am ADT
Current status: We're continuing to analyze service monitoring telemetry, in addition to network trace logs to help us determine the next troubleshooting steps.
Scope of impact: Impact is specific to external users who are served through the affected infrastructure.
Next update by: Tuesday, April 26, 2022, at 3:30 PM UTC
April 26, 11:36am ADT
April 26, 11:36am ADT
Final status: We've identified that a recent standard service update unexpectedly introduced a code regression which resulted in impact. We've reverted the change and confirmed by monitoring service telemetry that the impact has been remediated.
Scope of impact: Impact was specific to external users who were served through the affected infrastructure.
Start time: Friday, April 22, 2022, at 5:02 AM UTC
End time: Tuesday, April 26, 2022, at 2:36 PM UTC
Root cause: A recent standard service update unexpectedly introduced a code regression which may have prevented external users from accessing shared SharePoint Online folders or files.
Next steps:
- We're reviewing our standard service update procedures to avoid similar impact in the future.
This is the final update for the event.