What does the Salesforce alert, Upgrade Microsoft EWS to Graph API by Oct 2026 mean and what do I need to do?
What Breaks If Unfixed:
Microsoft is shutting down Exchange Web Services (EWS) connections to Exchange Online on October 1, 2026. If your Salesforce setup uses EWS for email or calendar integration (Einstein Activity Capture, Inbox, or Lightning Sync), your sync will silently disconnect.
Silent Activity Loss: Rep emails and customer meetings stop landing on Salesforce records.
Broken Dashboards: Pipeline reporting and activity metrics go dark without warning.
User Lockouts: Teams face continuous authentication errors in Outlook.
The Solution: £1,500 Fixed-Fee Migration Sprint
Avoid expensive London consultancy quotes and minimum 30-day scopes. We resolve your Graph API upgrade within 3 business days:
Audit current EAC / Microsoft 365 OAuth settings.
Configure Microsoft Azure App Registration & Graph permissions.
Re-authenticate connections with zero downtime or lost history.
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