Microsoft 365 Alert – Service Degradation – Exchange Online – Some users may be unable to access, view, add, or select public folders and calendars in Outlook on the web – RESOLVED

Announcements Sourav Nandi

14/04/2023 08:55:00 AM (GMT)

NHSmail Reference : INC35309262

Microsoft Reference : EX540990

Issue Status : RESOLVED

Issue Description : Users may be unable to access, view, add, or select public folders and calendars in Outlook on the web.

More Information : Users may be unable to access, view, add, or select public folders and calendars in Outlook on the web.

Final Update : 24/04/2023 16:35:00 PM – Microsoft have determined that the fix has completed deployment on the affected infrastructure and confirmed this issue has been resolved via service telemetry.

Scope of impact : Some users attempting to perform multiple public folder or calendar related actions in Outlook on the web may be impacted.

Root cause : A recent service update contained a code issue that is preventing users from accessing, viewing, adding, or selecting public folders and calendars in Outlook on the web.

Next steps : Microsoft are continuing their review of the code within the update that resulted in impact to better identify and prevent similar issues in the future.