It seems you are experiencing issues with your Exchange Server migration from 2016 to 2019, specifically with the outgoing connector for mail forwarding and transport rules. Here are some steps you can take to troubleshoot and resolve the issues:
- Check Transport Rules: Since you mentioned that the transport rules are not functioning, you may want to review and reconfigure them. Use the Exchange Management Shell to check the status of your transport rules with the command:
Ensure that the rules are enabled and correctly configured.Get-TransportRule - Review Connector Configuration: Verify the configuration of your outgoing connector. You can check the connectors using:
Ensure that the connector is properly set up to forward emails to your mail relay.Get-SendConnector - Hybrid Configuration: If you are using a hybrid deployment, ensure that the Hybrid Configuration Wizard has been run successfully. If the setup was interrupted, you may need to re-run the wizard to correct any configuration issues.
- Event Logs: Check the event logs for any errors related to the transport service or mail flow. This can provide insights into what might be causing the issues.
- Recreate Connectors: If the connectors are still not functioning, consider deleting and recreating the outgoing connector to ensure that it is set up correctly.
- Consult Documentation: Refer to the official Microsoft documentation for guidance on troubleshooting Exchange Server migration issues and transport rules.
If these steps do not resolve your issue, you may want to consider reaching out to Microsoft support for further assistance.
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