SAP Knowledge Base Article - Preview

1870865 - Client is not available in this system: SAP JCo connection issue

Symptom

The operation of a WebDynpro for Java application fails with the below error:

"com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails#sap.com/tc~wd~dispwda#SAPEngine_Application_Thread#Error##Java###Client <client number> is not available in this system [EXCEPTION] #com.sap. mw.jco.JCO$Exception: RFC_ERROR_LOGON_FAILURE at com.sap.mw.jco.MiddlewareJRfc.generateJCoException(MiddlewareJRfc.java"


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Environment

  • SAP Netweaver release independent;
  • SAP Java Connector (JCo).

Product

SAP Composition Environment all versions ; SAP NetWeaver all versions ; SAP Process Integration all versions ; SAP Solution Manager all versions

Keywords

com.sap.tc.webdynpro.services.exceptions.WDRuntimeException, FPMConfigurationUsage, ESS not working, SRM issue, JCO destinations, SSO issue, ticket failed,communication issue, MSS error, rfcexception, RFC_ERROR_COMMUNICATION, CONNECT TO MESSAGE SERVER FAILED,,SAP Production ABAP R/3 ERP SRM CRM ERP PPM SEM APO XI PI PORTAL Test development QA, Propertysheet  UMEBackendConnection Connection and Transport , KBA , BC-MID-CON-JCO , Java-Connector , BC-CCM-SLD , System Landscape Directory / Component Repository , Problem

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