mdtdc-3

https://www.veritas.com/support/en_US/article.100023043

https://blog.opsan.com/2004/12/31/testing-distributed-transaction-coordinator-on-a-remote-mssql-server-using-sql-query-analyzer/

https://support.microfocus.com/kb/doc.php?id=7018535

https://www.lewisroberts.com/2009/08/16/msdtc-through-a-firewall-to-an-sql-cluster-with-rpc/