[FONT=Book Antiqua]I have installed DB2 Connect 7.2.5 . I am connecting to Server running in MVS OS 390 . i am connecting the server which is in different network .
i am connecting the server through a Firewall host name and port number .

I am successfully able to connect to the Database using DB2 Command Centre. But when I install some applications and try to fetch data from database it is throwing me following weird error.

SQL error. Stmt #: 2367 Error Position: 0 Return: 8200 - [IBM][CLI Driver][DB2] SQL30020N Execution failed because of a Distributed Protocol Error that will affect the successful execution of subsequent commands and SQL statements: Reason Code "124C-15". SQLSTATE=58009.

Please some one help me

as the drda message indicates : some protocol error
according the message : check sqlca - and trace file might be needed..

Thanks for your reply.

I checked the CA . Will you please let me know how to take the trace files . Bcz this is quite urgent ..

Will you please give your contact number . I can reach you on Monday .. Thanks .

db2drdat on -t /path/filename
produce error
db2drdat off
I can look at the trace, but don't have access to all db2 code, so I might not know, what is the meaning of a specific error.