ShareGate and the EWS retirement
Microsoft Graph migration status from ShareGate's own notices. Last checked 2026-10-22.
ShareGate Migrate (Copy mailboxes)
- Status
- Migration announced
- Date
- 2026-09-18
- Vendor notice
- https://help.sharegate.com/en/articles/14136599-microsoft-exchange-web-services-ews-change-and-impact-on-mailbox-migrations
“We are working with Microsoft to ensure ShareGate Migrate no longer requires EWS.”
Microsoft Exchange Web Services (EWS) change and impact on mailbox migrations | ShareGate help (2026-09-18), read 2026-10-22.
What to do. ShareGate Migrate uses EWS only for Copy mailboxes, and ShareGate says it is working with Microsoft to remove that need. Add the app ID ce9858bf-0093-4723-9742-3af3b3c5e25a to EwsAllowedAppIDs in both the source and the destination tenant. Mailboxes on Kiosk, F1 or F3 licenses need a license with EWS rights, such as Exchange Online Plan 1, before they are migrated.
One email from ewsappid.com each time a status on this page changes, nothing else, and none after 1 April 2027. Every alert has an unsubscribe link; one press deletes your address, or write to support@ewsappid.com at any time. Sender details are on the contact page; see the privacy policy.
Application IDs
ce9858bf-0093-4723-9742-3af3b3c5e25aShareGate Migrate (Copy mailboxes)
Every app in your tenant
The tenant plan reads your EWS usage report in your browser and matches each app against these statuses and your current allow list. All vendor statuses.