2041042 - Error "SoapFaultCode:5 Invalid Credentials" Accessing CCMS Agent Working Directory

In transaction RZ21, in Agents for Remote SAP Systems, tried to access the working directory which belongs to a CCMS Agent and the following error has occurred:

        Error at connection set-up: SoapFaultCode:5
        Invalid Credentials

This agent was previously registered using transaction RZ21,  selecting Configure Central System and Create remote monitoring entry.

Kernel 72X and higher.
SAP ERP
SAP NetWeaver
S/4 HANA

Monitoring, CEN, sapccm4x, sapccmsr, Autoreaction , KBA , BC-CCM-MON , CCMS Monitoring & Alerting , Problem