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oracle error of ORA-12538 and ORA-12514  error of TNS PROTOCOL ADAPTOR ERROR

Posted on 2001-08-20
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Last Modified: 2007-11-27
hello friends,
iam getting an oracle error of ORA-12538 and ORA-12514
errors of (TNS PROTOCOL ADAPTOR ERROR).  please send the
exact formats of tnsnames.ora file and listener.ora file formats.  
information about my database

ourdominname is aperc
servername is apecdev
oralce edition is oracle8.1.6EE
plotform  windows2000

yours
ramana
0
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Question by:venkataramana
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5 Comments
 

Expert Comment

by:ksskanth
ID: 6409712
You can use the net8 easy config utility to configure your TNSNAMES.ORA. You can also use the sample tnsnames.ora file and alter to suit your requirement.

Check the O/S Ping for proper network.

Check Listener is running in Server.

Pl. tell me whether you are trying to connect as a client from the same machine where server is running or from some other client machine
0
 

Author Comment

by:venkataramana
ID: 6416648
iam running in the same machine which the oracle server is running.

yours
ramana
0
 

Accepted Solution

by:
ksskanth earned 100 total points
ID: 6417511
Is your listner running.

Otherwise start your listener from services, if you have your listner configured. If not configured you can configure using wizard.

In win 2000 also check the Authentication in Oracle Service, change it from administrator. Then restart the service of oracle, try connect from sql+.
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Expert Comment

by:Mindphaser
ID: 7042748
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Expert Comment

by:Moondancer
ID: 7058159
Zero response, finalized.
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