Solution : https://service.sap.com/sap/support/notes/609781 (SAP Service marketplace login required)
Key words :
hkey_local_machine\software\sapportals\eip\datafile 4, \enterprise portal\datafile make, nt challenge response, database connection string, db connectivity wizard, system preferences ui, portal admin ui, nt authentication reason, \\<lock server host, current shared folder
Related Notes :
| 584018 | |
| 534332 | Central Note for EP 5.0 SP4 Installation |