Home » RDBMS Server » Networking and Gateways » ORA-12569: TNS:packet checksum failure
ORA-12569: TNS:packet checksum failure [message #142100] Thu, 13 October 2005 08:40 Go to next message
genialsenthil
Messages: 26
Registered: June 2005
Location: Chennai
Junior Member
Hi,
I have connected the database through wide network using Broadband connection with 512kbps. Server is in one city and client is in another city. There are totally 20 client systems are connected with this server. When i am attempting to connect the database server thru my application(developed by using VB 6.0), it gives the error message as

"ORA-12569: TNS:packet checksum failure"

This error message occurred only in 3 or 4 systems not in all other systems. This error is not displayed frequently, but it is again and again displayed sometimes. But i am able to connect with database thru "Net Manager". The error is when i am executing some queries in database. Could you please help me how to resolve this error. Let me know any other detail reference for the same.

With Advance Thankz & Regards,
Senthil Kumnar .S

Re: ORA-12569: TNS:packet checksum failure [message #142276 is a reply to message #142100] Fri, 14 October 2005 01:11 Go to previous messageGo to next message
tarundua
Messages: 1080
Registered: June 2005
Location: India
Senior Member


It looks like a network issue because you are able to connect using net manager.

TNS-12569 TNS:packet checksum failure

Cause: The data received is not the same as the data sent.

Action: Attempt the transaction again. If the error is persistent, turn on tracing and re-execute the operation.


Re: ORA-12569: TNS:packet checksum failure [message #438285 is a reply to message #142276] Thu, 07 January 2010 16:34 Go to previous message
indy_gal
Messages: 1
Registered: January 2010
Junior Member
Hi,

I had the same error and I was able to login using SQLPLUS but Toad was throwing me out, it was resolved when I changed the port number in tnsnames.ora. I am not sure if that is the right way. But it worked for me.

Thanks
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