Microsoft 365 Alert – Service Degradation – Exchange Online – Some users opening a published calendar are seeing incorrect dates when opening the HTML link – RESOLVED

Announcements Sourav Nandi

10/03/2025 08:40:00 AM

NHSmail Reference: INC46470725

Microsoft Reference: EX1025615

Issue Status: RESOLVED

Issue Description: Some users opening a published calendar are seeing incorrect dates when opening the HTML link.

More info: Users opening a published calendar are seeing incorrect dates when opening the HTML link.

Final Update: 12/03/2025 08:53:00 AM – Microsoft’s deployment of the previously mentioned fix is complete, and they’ve monitored their service health telemetry to confirm that impact is remediated.

Scope of impact: Impact is specific to some users who are served through the affected infrastructure.

Next steps: Microsoft are reviewing their Exchange Online code fix development and testing procedures pertaining to the code base responsible for syncing the date in Exchange Online calendar items to prevent similar issues in future repair actions.