Home » RDBMS Server » Security » ERROR: ORA-01017 in ORACLE 11g (Oracle 11g, Version
ERROR: ORA-01017 in ORACLE 11g [message #353698] Tue, 14 October 2008 13:11 Go to next message
Messages: 51
Registered: January 2006
HI All,

My Oracle 11g Instance is a cloned version of 9i Instance (SID of both 11g and 9i versions are same) and both the instances are residing in different UNIX server.

Now from 11g server, I am trying to connect to database with "SQLPLUS /" and it works fine.

But when I set the TWO_TASK and try to connect to the same 11g instance, it fails with error saying
"ORA-01017: invalid username/password; logon denied"

Please note this error is encountered ONLY when I set the TWO_TASK.

Can you please let me know the reason for my issue.

Thanks in advance,
Re: ERROR: ORA-01017 in ORACLE 11g [message #353700 is a reply to message #353698] Tue, 14 October 2008 13:38 Go to previous message
Michel Cadot
Messages: 68501
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Because TWO_TASKS send your connection request to another database.
Because TWO_TASKS implies net connection and remote connection / is not allowed.

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