Solution : https://service.sap.com/sap/support/notes/945133 (SAP Service marketplace login required)
Key words :
initial / expired / password rules changed, note assisted corrections attached, note orupgrade sap_basis, current password check, 'change password' screen, logon status check, password reason, prerequisites
Related Notes :
| 1042274 | Handling initial/expired passwords in ICF |
| 454962 | HTTP server: expired or initial user accounts |