ORA-01017: Invalid Username/Password; Logon Denied

While you try to connect to database then most probably you will find the ORA-01017 error. Problem Statement ORA-01017: Invalid Username/Password; Logon Denied Solution Check if you have set up the right ORACLE_HOME and ORACLE_SID Check the entry for your tnsnames.ora and listener.ora file. there should not be any typo error. If you set SEC_CASE_SENSITIVE_LOGON …

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