Graph API Migration for Exchange Admins: Replacing Legacy EWS Scripts (2026)
Migrate legacy EWS scripts to Microsoft Graph in 2026: three Graph surfaces, OAuth + app permissions, RBAC for Apps, EWS to Graph cookbook + side-by-side examples.
EWS Retirement 2026: How to Find Legacy Exchange Integrations Before They Break
Practical playbook to discover, categorise and migrate EWS-based integrations in Exchange Online before the October 2026 phased disablement and the 2027 full shutdown.