Troubleshooting M365

• Journaling Issues: Ensure the journal rule is configured properly and the correct journaling email address is entered.

• OAuth SSO Issues: Double-check the Client ID, Client Secret, and Redirect URI. Ensure all necessary API permissions are granted.

• Mailbox Reader Errors: Confirm that the service account has the correct OAuth scopes and domain-wide delegation is enabled.

• Connector Errors: Check TLS settings and certificate validation.

Additional Resources:

• Troubleshooting OAuth and SSO in Azure AD

• Configuring Mail Flow in Exchange Online