Data Source Name Not Found And No Default Driver Specified Using DG4ODBC on Windows 64-bit (Doc ID 814553.1)

Last updated on DECEMBER 03, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 and later
Microsoft Windows x64 (64-bit)
Microsoft Windows Server 2003 (64-bit Itanium)Microsoft Windows XP (64-bit AMD64 and Intel EM64T)Microsoft Windows Server 2003 (64-bit AMD64 and Intel EM64T)Microsoft Windows Server 2003 R2 (64-bit AMD64 and Intel EM64T)Microsoft Windows Vista x64 (64-bit)Microsoft Windows Server 2008 x64 (AMD64/EM64T)

Checked for relevance on 02-Apr-2012


Symptoms


Error message:

SQL> select * from dual@sqlserver;
select * from dual@sqlserver
*
ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[Microsoft][ODBC Driver Manager] Data source name not found and no default
driver specified
ORA-02063: preceding 2 lines from SQLSERVER

 using Database Gateway for ODBC (DG4ODBC) on Windows 64bit.

Cause

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