Microsoft 365 Alert – Service Degradation – SharePoint Online – Users may be unable to edit SharePoint Online sites using the SharePoint Designer 2013 tool – ONGOING

Announcements Shagufta Naaz

11/03/2026 08:28:00 AM

NHSmail Reference: INC46770139

Microsoft Reference: SP1240323

Issue Status: ONGOING

Issue Description: Users may be unable to edit SharePoint Online sites using the SharePoint Designer 2013 tool.

Current Update: 11/03/2026 08:33:00 AM –Microsoft has determined that a recent service configuration change affecting a SharePoint web service endpoint prevented certain web service calls from completing successfully, which led to the impact. They have developed and initiated the deployment of a fix to address this issue, and they will provide an estimate for its completion when available.

Scope of impact: Any user attempting to edit SharePoint Online sites using the SharePoint Designer 2013 tool may be impacted.

Root cause: A recent service configuration change affecting a SharePoint web service endpoint prevents certain web service calls from completing successfully, which is leading to the impact.

Next update by: Monday, March 16, 2026, at 8:30 PM UTC