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Oracle gives error "ora-24327: need explicit attach before authenticating a user" and dows not work

Posted on 2009-11-26
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We are using oracle for an accounting software for the past 2 years.  

Suddently yesterday oracle stoped working.  

We restarted the machine, and the oracle services individually but without success.

We are executing the below command to start oracle:

set ORACLE_SID=ORCL
E:\oracle\product\10.1.0\Db_1\bin\oradim.exe -startup -sid ORCL -usrpwd oracle

we get the error "ora-24327: need explicit attach before authenticating a user"

Can anyone help?
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Question by:AJKBOC
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ppinon earned 1500 total points
ID: 25916129
See http://www.dbforums.com/oracle/783785-need-explicit-attach-before-authenticating-user.html

You check check your environment variables and sqlnet.ora.
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by:AJKBOC
ID: 31658993
We added the SID of our dbase in the listener.ora.

Also commented out the authentication in sqlnet.ora file.
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