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32-bit and 64-bit 12.1.0.2 clients on Windows 2012R2 and IIS

edited Jan 11, 2017 2:11AM in Windows Oracle Data Access Components (MOSC) 7 commentsAnswered

Hello all

We have a Windows 2012R2 server, that hosts several web-applications, some of which are 32-bit and others are 64-bit. Consequently, we have installed Oracle 12.1.0.2 clients, both 32-bit and 64-bit.

Depending on which client is installed last, the other application stops working.

Eg, when 64-bit is installed last, the 32-bit web-app stops working with this error: The provider is not compatible with the version of Oracle client

One obvious difference is the position of the client in the system path. When 64-bit client is installed last, it comes first in the path.

Any thoughts that can help solving this?

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