Solution : https://service.sap.com/sap/support/notes/71107 (SAP Service marketplace login required)
Key words : 
pfl- abap/import_char_conversion    =0- install/codepage/appl_server  =1401- install/codepage/db/transp    =1401- install/codepage/db/non_transp =1401b, - abap/locale_ctype            =c- zcsa/installed_languages      =deh- zcsa/system_language          =h2, 378 d5 ohungarumlaut_odoubleacute384 db uhungarumlaut_udoubleacute398 f5 ohungarumlaut_odoubleacute404 fb uhungarumlaut_udoubleacutedelete, 281 d5 otilde286 db ucircumflex343 f5 otilde360 fb ucircumflexe, copy device typespad-->utility-->copy device typefrom, saptemu/codepage =1401saptemu/charset =iso8859-2find, <sid>adm user home directory, user <sid>adm insert, language transport takes place, prerequisites information solution caution
Related Notes : 
       
| 195490 | Automatic selection of GUI frontend code page | 
| 161860 | Hungarian CodePage setting on NT 4.0 | 
| 81663 | Hungarian used incorrectly up to now |