Home » RDBMS Server » Server Administration » ORA-12571: TNS:packet writer failure (Oracle 9i)
ORA-12571: TNS:packet writer failure [message #394849] Mon, 30 March 2009 09:51 Go to next message
Messages: 1
Registered: March 2009
Junior Member
I have an application which is trying to connect oracle 9i using .net 2008, it is giving an error - ORA-12571: TNS:packet writer failure, I am not getting this error always, 80% is connecting and passing data to Oracle perfectly. we tried the same data 9 times and 8 time it was successfull. failed once.
any one have any idea.

application is also trying to pass data from SQL serevr to Oracle using OPENQUERY statment. ( in different part of the code)... any body can help me on this
Re: ORA-12571: TNS:packet writer failure [message #394892 is a reply to message #394849] Mon, 30 March 2009 13:35 Go to previous message
Messages: 25579
Registered: January 2009
Location: SoCal
Senior Member

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You need to help us by following the Posting Guidelines as stated below.

Posting Guidelines direct you to SEARCH before posting.

Are you claiming that none of the 43 threads gives you any clue?

How repeatable is this error?

I suspect the root cause is external to Oracle.
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