((free)) Download - Oracle.dataaccess.dll Version 4.112.3.0

| Package | Download Location | Contents | | :--- | :--- | :--- | | | Oracle ODAC 11.2 Downloads | Includes unmanaged ODP.NET along with Oracle Instant Client binaries | | ODAC Xcopy (32‑bit) | Oracle ODAC 11.2 Downloads | Same as above for 32‑bit environments | | Oracle Client | Oracle Instant Client Downloads | Full Oracle client installation that includes ODP.NET | | NuGet Gallery (Newer Versions) | NuGet ODP.NET | For managed driver; does not include version 4.112.3.0, but offers up‑to‑date alternatives |

After downloading and extracting the oracle.dataaccess.dll file, you need to install and configure ODAC on your machine:

<runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="Oracle.DataAccess" publicKeyToken="89b483f429c47342" culture="neutral"/> <bindingRedirect oldVersion="4.112.0.0-4.122.0.0" newVersion="4.112.3.0"/> </dependentAssembly> </assemblyBinding> </runtime>

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Troubleshooting checklist (if you have the DLL but see errors) oracle.dataaccess.dll version 4.112.3.0 download

This error points to a 32‑bit vs. 64‑bit mismatch.

Once you have downloaded the correct ODAC installer, you have three ways to make Oracle.DataAccess.dll version 4.112.3.0 available to your application.

Accept the Oracle License Agreement and sign in with your Oracle account (free to create).

: For 32-bit (x86) applications, a community-maintained package is available on NuGet as Oracle.DataAccess.x86.4 . 2. Installation Steps | Package | Download Location | Contents |

Recommended for development machines. It handles the File Locations and GAC registration automatically.

Browse to the installation directory (e.g., C:\app\oracle\product\11.2.0\client_1\odp.net\bin\4 ) and select Oracle.DataAccess.dll . 2. Update web.config or app.config Ensure your configuration file recognizes the assembly:

Oracle provides it for free under their OTN license. If a third-party site asks for money, leave immediately.

Unlike standard .NET assemblies, you generally cannot simply download a standalone .dll file and place it in your application folder. Oracle.DataAccess.dll is dependent on the Oracle Client Infrastructure (specifically the Oracle Call Interface - OCI). I'll follow the search plan outlined in the system prompt

"Could not load file or assembly 'Oracle.DataAccess.dll, Version 4.112.3.0' or one of its dependencies."

Ensure you installed the 64-bit version of the client if your application runs in 64-bit mode (or 32-bit if running in 32-bit mode).

: Choose the version (32-bit or 64-bit) that matches your application's target architecture, not necessarily your OS. Unzip and Run Setup : Extract the files and run setup.exe .

Then, a flicker. A cached page from a defunct IT solutions company in Wisconsin. The link was broken, but the cached text held a note:

The results were a graveyard. Dead links to Oracle’s old edelivery site. A sketchy forum post in Russian from 2014. A single, lonely Stack Overflow question with zero answers.

If you are attempting to resolve a "Missing DLL" error, downloading just the DLL from a third-party website is risky and often leads to BadImageFormatException or FileNotFoundException errors due to missing unmanaged dependencies (like oci.dll or oraociei11.dll ).