TROUBLESHOOTING: Considerations using Windows Client Drivers in Multiple Oracle Client Homes
(Doc ID 1053922.1)
Last updated on AUGUST 31, 2020
Applies to:Oracle Objects for OLE - Version 188.8.131.52 and later
Oracle ODBC Driver - Version 184.108.40.206 and later
Oracle Provider for OLE DB - Version 220.127.116.11 and later
Oracle Data Provider for .NET - Version 18.104.22.168 and later
Oracle Services for Microsoft Transaction Server - Version 22.214.171.124 and later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)
***Checked for relevance on 24-Dec-2018***
A Multiple Oracle Home (MOH) environment on Windows can be problematic due to the way Oracle client libraries are loaded, the nature of COM objects, and the .NET policy files which are installed by default as part of ODP.NET installations . This document will attempt to outline the limitations of the various products, as well as general restrictions in a MOH environment.
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