Article Summary: It is recommended to select only the Internet Protocol Version 4 TCP/IPv4 and Internet Protocol Version 6 (TCP/IPv6) protocols on the iSCSI NIC's of a Hyper-V failover cluster. Follow the steps in the solution to achieve this goal.
In the EAC, navigate to Mail flow > Send connectors, and then click Add Add Icon. In the New send connector wizard, specify a name for the send connector and then select Internet for the Type. Click Next.