Solution : https://service.sap.com/sap/support/notes/89655 (SAP Service marketplace login required)
Key words :
/3 instance test import additional key words ops$ user, bc-db-ora oracleaffected releasessoftwarecomponentreleasefromreleasetoreleaseandsubsequentsap_appl3030a30fxsap_appl3031g31ixvar evt_array =, controlpanel-> network >tcp/ip protocol->dns, dialog instance set parameter remote_os_authent = true, central system remove environment variable two_task, dialog instance parameter remote_os_authent = false, related notes 23538 - problems due, windows nt host names, windows nt check host, central system two_task