Troubleshooting
Google: “DWD not enabled — only admin mailbox will be scanned”
Section titled “Google: “DWD not enabled — only admin mailbox will be scanned””Domain-wide delegation isn’t active yet. Check:
- The Client ID in the Google Admin console is exactly
114733393163502940734. - All four scopes were pasted, comma-separated, with no spaces or line breaks.
- You allowed a few minutes for Google to propagate, then re-ran Test domain-wide delegation.
Google: forwarding/delegate removal fails with 403
Section titled “Google: forwarding/delegate removal fails with 403”The remediation scope is missing. Add https://www.googleapis.com/auth/gmail.settings.sharing to the delegation scope list in Security → API controls → Domain-wide delegation, then retry.
Microsoft 365: consent fails with AADSTS650053
Section titled “Microsoft 365: consent fails with AADSTS650053”One of the Graph permission names is invalid or not declared in the app registration. Azure rejects the entire consent request if any name is wrong. Re-check every permission against Required Scopes & Permissions, then Grant admin consent again.
Microsoft 365: a mailbox forward won’t remove
Section titled “Microsoft 365: a mailbox forward won’t remove”Mailbox-level forwards can’t be cleared via Graph. In the Exchange admin center run:
Set-Mailbox <user> -ForwardingSmtpAddress $nullHelios can remove inbox-rule forwards automatically.
Only the admin mailbox shows up
Section titled “Only the admin mailbox shows up”You connected the OAuth account but haven’t completed domain-wide delegation (Google) or granted the directory permissions / admin consent (Microsoft 365). See the provider setup guide.