SHD / MC Checker

[investigating] MO544665 | Microsoft 365 suite | Users’ notifications from Microsoft 365 services may be delayed



MO544665 | Microsoft 365 suite | Users’ notifications from Microsoft 365 services may be delayed

Status investigating
Classification advisory
User Impact Users’ notifications from Microsoft 365 services may be delayed.
Last Updated 04/21/2023 17:54:47
Start Time 04/21/2023 17:14:04
End Time
Latest Message Title: Users’ notifications from Microsoft 365 services may be delayed

User impact: Users’ notifications from Microsoft 365 services may be delayed.

More info: Impacted notifications include, but may not be limited to, the following notification types:
– SharePoint Online email notifications for Workflow, Sharing, and Alerts
– One Time Password notifications 
– Toast notifications received within affected users’ Windows desktop.

Current status: Our investigation so far has determined that a component of Microsoft 365 infrastructure responsible for facilitating notifications is operating below expected performance thresholds, resulting in impact. We’ve developed a fix to restart the affected component and repair this issue, and we’re validating the fix for efficacy before deploying to the affected service environment.

Scope of impact: Any user receiving notifications from Microsoft 365 services may be impacted.

Start time: Friday, April 21, 2023, at 9:30 AM UTC

Root cause: A component of infrastructure responsible for facilitating Microsoft 365 service notifications is operating below expected performance thresholds, resulting in impact.

Next update by: Friday, April 21, 2023, at 7:00 PM UTC