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Hi,
I'v got a problem - I can't connect to the db from the Oracle server, tnsnames.ora and listenre.ora are identical for all servers, but I can't connect only from one of them. Listener is fine as I can connect to this server from another machines. What it might be?
$ sqlplus system/manager@qa
SQL*Plus: Release 8.1.7.0.0 - Production on Thu Jul 12 19:31:54 2001
(c) Copyright 2000 Oracle Corporation. All rights reserved.
ERROR:
ORA-06401: NETCMN: invalid driver designator
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$ oerr ora 6401
06401, 00000, "NETCMN: invalid driver designator"
// *Cause: The login (connect) string contains an invalid driver designator.
// *Action: Correct the string and re-submit.
Please check your tnsnames.ora file :)
-amar
