SAP Knowledge Base Article - Preview

3533712 - Experiencing 'XS658 - 432 4.3.2 concurrent connection limit exceeded' during email dispatch

Symptom

Failed attempts to send outbound emails, with an 'XS658 - 432 4.3.2 concurrent connection limit exceeded' error message appearing in the long text message on SOST as per the KBA :2757752


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Environment

  • SAP Netweaver release independent
  • SAP S/4HANA release independent
  • SAPConnect interface
  • SMTP node

Product

SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

SAP, email dispatch, 432, 4.3.2 concurrent connection, SMTP authenticated connections, throttling, SXPARAMS table, MAX_RETRY_ON_INTERNAL_ERROR, outbound, SAPConnect, SMTP , KBA , BC-SRV-COM , Communication Services: Mail, Fax, SMS, Telephony , Problem

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