3594733 - Business Partner Replication Failure with Connection Termination Error Message

You are trying to replicate a particular Account from S4H to Sales or Service Cloud Version 2 but the following error is raised in the message monitor for the respective payload:

"code": "503",
            "message": "\"upstream connect error or disconnect/reset before headers. reset reason: connection termination\""
        }
    ],
    "errorDetailsAsJson": "[{\"code\":\"503\",\"message\":\"\\\"upstream connect error or disconnect/reset before headers. reset reason: connection termination\\\"\",\"details\":[],\"errorDetailsAsJson\":null}]"

S4 Hana

Sales Cloud Version 2

Service Cloud Version 2

connection termination;cns;postal address;addressinformation;address; , KBA , CEC-CRM-INT , Integration for SAP Sales/Service Cloud , CEC-CRM-ACC , Account for SAP Sales/Service Cloud , Known Error