Microsoft Blocks EWS Access for Kiosk Users

A December 2 announcement says that Exchange Online will block access to Exchange Web Services for users with kiosk or frontline worker licenses from March 2026. In fact, the Exchange Online service description has always excluded EWS access for these licenses, but the necessary code to enforce the exclusion was never implemented. It will be in March. Time to check licenses…

https://office365itpros.com/2025/12/05/exchange-web-services-kiosk/