Microsoft 365 Alert – Service Degradation – OneDrive for Business – Some users may be unexpectedly presented with a password prompt when opening a PDF in the OneDrive for Business web app – RESOLVED

27/04/2023 10:00:00 AM (GMT)

NHSmail Reference : INC35544324

Microsoft Reference : OD547110

Issue Status : RESOLVED

Issue Description : Users may be unexpectedly presented with a password prompt when opening a PDF in the OneDrive for Business web app.

More Information : As a workaround, affected users may be able to open the PDF file in their browser instead of clicking on the file directly.

Final Update : 27/04/2023 11:26:00 AM – Microsoft have identified that a recent standard service update inadvertently contained a code regression, which resulted in unexpected password prompts when users attempted to open PDF files in the OneDrive for Business web app. They have reverted the offending update, and confirmed through internal testing that impact is no longer occurring.

Scope of impact : Impact is specific to some users served through the affected infrastructure attempting to open PDF files in the OneDrive for Business web app.

Root cause : A recent standard service update inadvertently contained a code regression, which resulted in unexpected password prompts when users attempted to open PDF files in the OneDrive for Business web app.

Next steps : Microsoft are reviewing our recent standard service update procedures to prevent similar impact from happening again.