Microsoft 365 Alert – Service Degradation – OneDrive for Business – Some users may incorrectly receive a security warning prompt when opening some Office files in OneDrive for Business – RESOLVED

Announcements Arpan Das

14/08/2024 10:38:00 AM

NHSmail Reference: INC45039653

Microsoft Reference: OD861567

Issue Status: RESOLVED

Issue Description: Users may incorrectly receive a security warning prompt when opening some Office files in OneDrive for Business.

More info: More specifically, users may incorrectly receive a security prompt when opening Word, Excel or PowerPoint files in their respective web apps within OneDrive for Business. Also, affected users may see the following message “This content presents a potential issue”.

Final Update: 21/08/2024 08:25:00 AM – Microsoft have confirmed that the fix has completed deployment to the impacted infrastructure and validated remediation with affected users.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to open Word, Excel or PowerPoint files in their respective OneDrive for Business web app.

Root cause: A necessary short-term fix for an unrelated issue was recently implemented, producing a security warning prompt when opening Excel, PowerPoint, or Word files in OneDrive for Business.

Next steps: Microsoft are continuing their analysis of the initial short-term fix to determine if similar warnings can be prevented or bypassed for similar impacting events going forward.