Microsoft 365 Alert – Service Degradation – Microsoft Teams – Some users may be unable to view or access their latest events in the Microsoft Teams calendar – RESOLVED

Announcements Sourav Nandi

27/03/2023 11:40:00 AM (GMT)

NHSmail Reference : INC35008737

Microsoft Reference : TM533502

Issue Status : RESOLVED

Issue Description : Users may be unable to view or access their latest events in the Microsoft Teams calendar.

More Information : Impact is specific to users with on-premise mailboxes only, who may also experience impact to the following scenarios:
– A stale calendar
– Unable to load calendar or open single events

Final Update : 31/03/2023 16:25:00 PM – Microsoft have confirmed that impact was inadvertently caused by some changes made to a recent service deployment. They’ve successfully deployed the aforementioned fix which has remediated impact.

Scope of impact : Your organization is affected by this event, and some users attempting to view, access or use features in their Microsoft Teams calendar may be impacted.

Next steps : Microsoft are reviewing their service update and deployment procedures to prevent this issue from happening again.