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#Install oracle odbc driver windows 7 64 bit install
#Install oracle odbc driver windows 7 64 bit 64 Bit
#Install oracle odbc driver windows 7 64 bit 32 bit

#Install oracle odbc driver windows 7 64 bit 32 bit

All should work as fine as before but with Oracle ODBC 32 bit available and working.

#Install oracle odbc driver windows 7 64 bit install

No system restarts are needed, no current Oracle install is affected. Go to, download the 32-bit version and install. Then the VC++ 2005 redistributable is missing. Please see the application event log or use the command-line sxstrace.exe tool for more detail.

#Install oracle odbc driver windows 7 64 bit 64 Bit

"The Setup routines for the Oracle in instantclient_11_2 ODBC driver could not be loaded due to system error code 14001: The application has failed to start because its side-by-side configuration is incorrect. Windows 10 (64 bit version) supports 32 and 64 bit ODBC sources always use the 64 bit ODBC Administrator. NOTE: if when creating the ODBC driver at this step, appears this error: Scroll down to 'Oracle Database Client (12.1.0.2.0) for Microsoft Windows (64-bit)' and click win圆412102client. Windows 10 users should download the Oracle 12.1 client instead. Recommended Action: Change the TNS Service Name in the Oracle ODBC Driver setup window. Oracle 11g Release 2 is not compatible with Windows 10. Go to the C:\Windows\SysWOW64 folder and run odbcad32.exe there to create Oracle's native 32-bit ODBC driver for your app and test the connection. ., Windows 7, Windows 8, Windows Server 2012, Linux X86-64 (32/64.Add, so that the Oracle ODBC 32 bit driver recognizes your tnsnames.ora file, the environment variable TNS_ADMIN with the value C:\instaclient_11_2 and copy in that folder the original tnsnames.ora from your Oracle home network\admin folder.Īt this point, you have the 32 bit ODBC driver available and with Oracle tnsnames.ora configured.In fact, in order to leave system as untouched as possible, don't do it. For example, Oracle Call Interface 19, 18 and 12.2 can connect to Oracle Database 11.2 or later. Client-server version interoperability is detailed in Doc ID 207303.1. See the Instant Client Home Page for more information about Instant Client packages.

Instructions says to Add the folder C:\instaclient_11_2 to the system PATH, but it is not necessary just for ODBC to work. Instant Client Installation for Microsoft Windows 64-bit.

After it, you have Oracle ODBC 32 bit available in the system.

The instaclient ODBC must be also unzipped in that folder and then, you need to execute odbc_install.exe.

It is installed simply by unzipping in a folder, for example, C:\instaclient_11_2 I lost half day trying to connect my old VB6 app (VB6 is 32 bit only, so supports only 32 bit ODBC drivers) to an Oracle database through ODBC.It is a different question if you have the app in VB.

Download from the 32-bit instaclient and the 32-bit ODBC ( instantclient-basic-win32-11.1.0.7.0.zip and instantclient-odbc-win32-11.1.0.7.0.zip).

We will need basic instaclient + ODBC instaclient The idea is to add instaclient 32 bit to the server manually, so nothing will interfere in the main system.

Other apps that rely on 32-bit DLLs may not work because will not find it.

NOTE: this solution is just for an specific case, the case when you need only ODBC 32-bit working on the 64-bit system.