Solution : https://service.sap.com/sap/support/notes/891007 (SAP Service marketplace login required)
Key words :
login/password_downwards_compatibility system profile parameter, sap e-recruiting, enter longer passwords, message 'incorrect password', upper/lower case, comprise uppercase letters, upper case, uppercase letters, system issues, system rules
Related Notes :
884077 | External candidate cannot log on after registration |
862989 |