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FAQ: Running 32-bit and 64-bit Oracle Software On 64-bit Windows (Doc ID 1151394.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 and later
Oracle ODBC Driver - Version 9.2.0.1 and later
Microsoft Windows x64 (64-bit)

Purpose

This Document collates information from various sources relating to the differences between 32-bit and 64-bit applications on 64-bit Windows.  The document is presented in Question and Answer format.

Questions and Answers

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In this Document
Purpose
Questions and Answers
 1. Certification
 2. We have a 32-bit application that needs to run on 64-bit Windows.  We have installed the 64-bit Oracle client, but the application cannot find the software.
 3. We have a 64-bit application that needs to run on 64-bit Windows.  We have installed the 32-bit Oracle client, but the application cannot find the software.
 4. How do we setup a 32-bit ODBC driver in ODBC Administrator?  We've installed it but it isn't listed.
 5. We've installed the 64-bit Oracle client and the 32-bit ODBC driver, sqora32.dll, isn't listed in the ODBC Administrator.
 6. Where are the Oracle registry settings?
 7. Where can the 32-bit client for Windows x64 be downloaded from?
 8. How to solve various errors
 9. Is the 32-bit Database supported on 64-bit Windows?
 10. Is it possible to have a 32-bit client and a 64-bit database on 64-bit Windows?
 11. How do I use an OO4O VBS file on 64-bit Windows?
 12. For more information also see:
References

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