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Exchange Server 2013 – Emails queuing with error: “421 4.4.2 Connection dropped due to SocketError.”

Exchange Server 2013 – Emails queuing with error: “421 4.4.2 Connection dropped due to SocketError.”

by edward | Jul 22, 2015 | Exchange 2013

Scenario: Creating a connector for a site and breaking them out directly to the ISP resulted in the following error: “441 4.4.1 Error encountered while communicating with primary target IP address: “421 4.4.2 Connection dropped due to SocketError.” Attempted...
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