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3563827 - Operating system call connect failed (error no. 10035) in SM21 - Possible root causes

Symptom

The system throws an "Operating system call connect failed (error no. 10035)" error in the sys log (transaction SM21) for the work process type IC (ICM).


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Environment

  • Operating System independent
  • Database independent
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA
  • ABAP Platform 

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions

Keywords

Operating system call connect failed (error no. 10035); SM21; IC; socket operation; Windows Sockets API (Winsock); WSAEWOULDBLOCK; non-blocking socket operations , KBA , BC-CST-IC , Internet Communication Manager , BC-CST , Client/Server Technology , Problem

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