mailprotector incident
User sync error from Microsoft 365 domains
mailprotector experienced a minor incident on May 1, 2023 affecting Service Announcements, lasting 23h 16m. The incident has been resolved; the full update timeline is below.
Affected components
Service Announcements
Update timeline
- monitoring May 01, 2023, 07:54 PM UTC
Mailprotector is aware of an issue with Microsoft 365 causing user sync errors. The error "Invalid response from Microsoft Graph API: 401" concerns an advisory posted in the Microsoft 365 Admin Center of affected domains. The error will continue every hour when the user sync runs against Microsoft Graph API. Partners can disable the automatic user sync until Microsoft resolves the issue to prevent the continued error alert.
- resolved May 02, 2023, 07:10 PM UTC
User sync errors to Microsoft Graph have been resolved.