Solution : https://service.sap.com/sap/support/notes/569930 (SAP Service marketplace login required)
Key words :
\services\servlet_jsp\work\jsptemp\irj\root\ web-inf\plugins\portal\system\properties\prtdefault, irj\root\web-inf\plugins\portal\system\properties\prtdefault, hkey_local_machine ->software->sapportal->usermanagment-> configuration-><portal configuration>, registry configuration property file configuration, htm property file configuration, sap j2ee engine users, thepersonalize portal interface, portal users, install sp4 patch 3, start->run->regedit
Related Notes :
| 567535 | Patch 3 of Support Package 4 for Enterprise Portal |
| 448828 | EP 5.0: Central Note for EP-PIN-USM (User Management) |