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1708810 - Password logon no longer possible - too many failed attempts: SAP JCo issue


The user clicks on a portal tab or Java Web Dynpro application which connects to the backend server using JCo destinations and it fails with the below error:

failed JCO execute function; stack trace:$Exception: (103) RFC_ERROR_LOGON_FAILURE: Password logon no longer possible - too many failed attempts. at JRfc.generateJCoException( at$Client.connect( at$Client.connect. at$Client.execute



  • Release Independent
  • SAP NetWeaver


SAP Composition Environment all versions ; SAP NetWeaver Application Server for Java all versions ; SAP NetWeaver all versions ; SAP Process Integration all versions ; SAP Solution Manager all versions


SLD connection, logon ticket 1544135 912880 /nSU01628962, 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, , KBA , BC-WD-JAV , WebDynpro Java , BC-MID-CON-JCO , Java-Connector , Problem

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