Oracle.dataaccess.dll Version 4.112.3.0 Download

Alternative: NuGet – Not available. Unlike managed drivers, the unmanaged Oracle.DataAccess.dll 4.112.3.0 is not on NuGet because it depends on Oracle Client registry and environment settings.

Fix:

Oracle.DataAccess.dll version 4.112.3.0 is a legacy but critical component for many .NET applications that target Oracle Database 11g. Finding a safe, official download is straightforward if you go directly to Oracle’s archive page. The biggest risks are not the download itself, but rather architecture mismatches (32/64-bit) and missing Oracle Client dependencies.

If you are building a new application today, avoid using this version. Instead, use the latest Oracle.ManagedDataAccess from NuGet. However, if you are maintaining an existing system—or deploying a legacy ERP—this guide gives you everything you need to successfully acquire, install, and resolve errors related to Oracle.DataAccess.dll 4.112.3.0.

Have you encountered a specific error with this version? Leave the details in your deployment environment, and the right fix usually involves checking your target platform, GAC registration, and Oracle Home path. oracle.dataaccess.dll version 4.112.3.0 download

Disclaimer: Oracle products are trademarks of Oracle Corporation. This article is for educational and troubleshooting purposes. Always comply with Oracle’s licensing agreements when downloading and using their software.

To download and use Oracle.DataAccess.dll version 4.112.3.0, you must install the specific Oracle Data Access Components (ODAC) package that includes it. This version corresponds to the Oracle 11g Release 2 (11.2.0.3.0) client drivers. 1. Identify the Correct Download

Oracle does not provide standalone DLL files for security and licensing reasons. You must download the full ODAC bundle: Source: Visit the Oracle .NET Software Downloads page. Version Match: Look for ODAC 11.2 Release 3 (11.2.0.3.0).

Architecture: Ensure you choose the correct bitness (32-bit or 64-bit) that matches your application's target platform, not necessarily your OS. 2. Installation Methods

Xcopy Bundle: Best for minimal footprints. You manually register the DLL using OraProvCfg.exe.

Oracle Universal Installer (OUI): Recommended for development machines. It handles the File Locations and GAC registration automatically.

NuGet (Modern Alternative): While version 4.112.3.0 is legacy, you can find official packages on NuGet.org for newer "Managed" versions that don't require a full client installation. 3. Locate the DLL After Installation Locate ODAC 11

Once installed, the file is typically located in your Oracle Home directory:

Path: ORACLE_BASE\ORACLE_HOME\odp.net\bin\4\Oracle.DataAccess.dll

Documentation: Readme and setup guides are usually found in ORACLE_HOME\ODP.NET\doc. 4. Critical Compatibility Notes

Legacy Support: Oracle 11g is in "Sustaining Support" or has reached End of Life, meaning it lacks modern security patches.

OS Requirements: Older ODAC versions may require "Run as Administrator" for installation on Windows 10/11 and may need UAC (User Account Control) to be temporarily disabled.

oracle.dataaccess.dll version 4.112.3.0 is the primary assembly for the Oracle Data Provider for .NET (ODP.NET) , specifically the unmanaged driver . This version corresponds to Oracle Data Access Components (ODAC) 11.2 Release 4 (or Release 5, which used the same versioning). Oracle Forums Official Download Sources

Oracle does not typically provide unmanaged DLLs as standalone downloads because they rely on native dependencies (like OraOps11w.dll ) and an underlying Oracle Client Accept the Oracle License Agreement and sign in

installation. To obtain this specific version, you must download the appropriate ODAC bundle: Stack Overflow Oracle ODAC 11.2 Release 4 (11.2.0.3.0) : This package includes the version of the DLL for .NET Framework 4.0. NuGet (32-bit only)

: For local development or simplified deployment of the 32-bit version, you can use the Oracle.DataAccess.x86.4 4.112.3 package on Oracle Archived Downloads : Older ODAC versions are available on the Oracle Additional Downloads Implementation Details ODAC 11.2.0.3.0 Install Instructions

If you are not strictly bound to this exact version, consider upgrading:

| Solution | Effort | Benefit | |----------|--------|---------| | Upgrade to ODAC 12c or 19c | Moderate | Same 4.x assembly version but updated patches. Use binding redirects. | | Switch to Oracle.ManagedDataAccess | Medium | No Oracle Client required, cross-platform, easier deployment. | | Containerize the legacy app | Low | Use a Windows Docker container with ODAC 11.2 pre-installed. |

Oracle currently distributes ODAC 19c (version 4.122.19.1), which supports .NET Framework 4.6+ and .NET Core/.NET 5+. However, it is not a direct drop-in for 4.112.3.0 if you rely on specific obsolete method signatures.

There are two primary ways to deploy this specific version:

Version 11.2.0.3 is currently End of Life (EOL). Oracle no longer provides Critical Patch Updates (CPUs) for this version. If this driver is used in a production environment handling sensitive data, it is highly recommended to plan a migration to: