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:

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failed JCO execute function; stack trace: com.sap.mw.jco.JCO$Exception: (103) RFC_ERROR_LOGON_FAILURE: Password logon no longer possible - too many failed attempts. at com.sap.mw.jco.Middleware JRfc.generateJCoException(MiddlewareJRfc.java:) at com.sap.mw.jco.MiddlewareJRfc$Client.connect(MiddlewareJRfc.java:) at com.sap.mw.jco.JCO$Client.connect. at com.sap.mw.jco.JCO$Client.execute
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• 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  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, , KBA , BC-WD-JAV , WebDynpro Java , BC-MID-CON-JCO , Java-Connector , Problem