ORA-28500: not a valid path via DG4ODBC over a mapped drive (Doc ID 266187.1)

Last updated on JANUARY 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.3 [Release 10.2 to 11.2]
Microsoft Windows (32-bit)
Checked for relevance on 08-April-2013

Symptoms

Using heterogeneous services (HSODBC or DG4ODBC) and an ODBC DSN to connect to a database file
stored on a local drive succeeds, but attempting to connect to a remote system
over a mapped drive produces the following errors:

ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[Generic Connectivity Using ODBC][Microsoft][ODBC Microsoft Access Driver]
'(unknown)' is not a valid path. Make sure that the path name is spelled
correctly and that you are connected to the server on which the file resides.
(SQL State: 00000; SQL Code: -1023)
ORA-02063: precedant 2 lines de HSODBC

Cause

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