Some users may experience delays receiving notifications in SharePoint Online

Title: Some users may experience delays receiving notifications in SharePoint Online

User impact: Users may experience delays receiving notifications in SharePoint Online.

More info: Impacting delays may exceed five hours.

Current status: We've confirmed that search requests and navigation of SharePoint Online weren't affected, however, notifications related to SharePoint Online activity were affected, and have adjusted our Title and User Impact accordingly. We've identified a change which was responsible for queuing notifications between two components responsible for routing notification requests from the SharePoint Online service. This code portion has been disabled to resolve impact, and fresh notifications should be received with no issue. In parallel, we're working to drain the backlog of previous notifications to ensure users receive these and fully resolve the issue.

Scope of impact: Users hosted in the impacted region may experience delays receiving notifications in SharePoint Online.

Start time: Tuesday, October 10, 2023, at 1:30 PM UTC

Root cause: An enabled code portion was responsible for queuing notifications between two components responsible for routing notification requests from the SharePoint Online service.

Next update by: Wednesday, October 11, 2023, at 2:00 AM UTC

Title: Some users may experience latency of up to one hour while navigating and performing searches in SharePoint Online

User impact: Users may experience latency of up to one hour while navigating and performing searches in SharePoint Online.

Current status: Our previous mentioned fix to better disperse traffic throughout additional infrastructure didn't improve traffic processing as expected. We're further analyzing the impacted portion of infrastructure in relation to our attempt to balance service load to identify why it didn’t have the intended effect and formulate a new remediation plan to restore the service functionality.

Scope of impact: Users hosted in the impacted region navigating and performing searches in SharePoint Online are impacted.

Start time: Tuesday, October 10, 2023, at 1:30 PM UTC

Root cause: A portion of infrastructure responsible for navigating and performing searches in SharePoint Online isn't processing requests as efficiently as expected, producing an increase in latency and resulting in impact.

Next update by: Tuesday, October 10, 2023, at 9:30 PM UTC

Title: Some users may experience latency of up to one hour while navigating and performing searches in SharePoint Online

User impact: Users may experience latency of up to one hour while navigating and performing searches in SharePoint Online.

Current status: Our automated systems alerted us to an issue in which some users may experience latency of up to one hour while navigating and performing searches in SharePoint Online. We've identified that a portion of infrastructure responsible for navigating and performing searches in SharePoint Online isn't processing requests as efficiently as expected, producing an increase in latency and resulting in impact. We're implementing a fix to better disperse traffic throughout additional infrastructure to improve traffic processing.

Scope of impact: Users hosted in the impacted region navigating and performing searches in SharePoint Online are impacted.

Start time: Tuesday, October 10, 2023, at 1:30 PM UTC

Root cause: A portion of infrastructure responsible for navigating and performing searches in SharePoint Online isn't processing requests as efficiently as expected, producing an increase in latency and resulting in impact.

Next update by: Tuesday, October 10, 2023, at 6:30 PM UTC

Title: Some users may experience latency of up to one hour while navigating and performing searches in SharePoint Online

User impact: Users may experience latency of up to one hour while navigating and performing searches in SharePoint Online.

Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 30 minutes.