The "ORA-12571: TNS Packet writer failure" error fires every time we install a new piece of software, like Visual Basic or Norton Antivirus. This problem happens whith Oracle 7.1.6. and Form Builder 6. I have already tried almost all of the solutions but it still is not working.
This is usually due to an improper sqlnet.ora setting. Here are some possible causes and remedies:
- Loose network cables. This error has been observed when there was a loose cable connection to the SCSI disk array (on an Oracle Parallel Server system). Related errors were also subsequently noted in the NT event log.
- IP address conflict (Oracle 9.0.1).
- Authentication services. One solution is to edit the sqlnet.ora file and change the line:
After saving the updated file, he was able to hit the retry button on the install and the creation of the database succeeded.
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