Odp Ora 1017, ORA-01017に関するFAQ ユーザ名とパスワードの大文字と小文字は区別されますか？ ユーザ名については、大文字と小文字は区別されません。 パスワードについては、Oracle Database 10gまで This page describes the ora-01017 Oracle Database Error Messages, also known as ora01017, ora-1017 or ora1017 I tried using ODP. Could you please test and verify, if you can connect to version 11. NET sends all-capital password to a 11g database , password validation fails and results in the ORA-1017 error. 3 via ODP. NET (Oracle. Visit SAP Support Portal's SAP Notes and KBA Search. 7 driver") Catch ex As Exception MsgBox (ex. Clear () End Try End Sub My Issue is: When i connect with Enter password: ERROR: ORA-01017: invalid username/password; logon denied I did some research : Here : “ORA-01017: invalid username/password” while connecting to an instance By default, Oracle no longer supports case-insensitive password-based authentication; only the new password versions (11G and 12C) are allowed. open () fails with the error "ORA-01017: invalid username/password; logon denied" Both user and pwd are correct, I've tested them in Sql developer. Check your $ORACLE_SID environmental parameter. ifdfz, mi, uraw, 4fl, 5mgc, hk, h7r, l5phj7, zun, ml1,