SAP Knowledge Base Article - Preview

2850629 - JCo servers could not be started

Symptom

  • JCo server wont start.
  • JCo log showing:
    - The JCo servers could not be started. Reason: Parameter message server host ('jco.client.mshost') is missing
    OR

    - _INVALID_PARAMETER(19) error group:101 key: RFC_ERROR_PROGRAMM Parameter message server host ('mshost') is missing

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Environment

  • SAP Java Connector
  • SAP Netweaver Java (All versions)

Product

SAP NetWeaver 7.5

Keywords

jco.client.ashost, and jco.client.ashost over jco.client.mshost, JCo, JCo2, JCo3, jco.client.r3name, INVALID_PARAMETER(19) error group:101 key: RFC_ERROR_PROGRAMM Parameter message server host ('mshost') is missing , KBA , BC-MID-CON-JCO , Java-Connector , Problem

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