are you working on the server or client, if on the server , user name and password is enough to entry the sqlplus otherwise you need to specify the sql*net alias .
are you working on the server or client, if on the server , user name and password is enough to entry the sqlplus otherwise you need to specify the sql*net alias .
2.如通,重新配置连接字符串;
3.sqlnet.ora文件中:
###SQLNET.AUTHENTICATION_SERVICES= (NTS) 或:
SQLNET.AUTHENTICATION_SERVICES= (NONE)