Oracle.dataaccess.dll Version 4.112.3.0 Download Free -

The assembly Oracle.DataAccess.dll version 4.112.3.0 is the 32-bit unmanaged ODP.NET provider associated with Oracle Data Access Components (ODAC) 11.2.0.3.0. This version is typically required for .NET 4.0 applications connecting to Oracle 11g databases. Quick Download Options

Official Oracle Download: You can find older ODAC releases, including version 11.2.0.3.0, on the Oracle .NET Downloads page or the ODAC 11.2.0.3.0 Install Instructions page.

NuGet Package (Alternative): A community-maintained version is available at NuGet - Oracle.DataAccess.x86.4 (Version 4.112.3). This is often easier for development environments that don't need a full client installation. Core Report Details Assembly Name: Oracle.DataAccess.dll Version: 4.112.3.0 (indicates .NET 4 compatibility). Bundle: Included in the ODAC 11.2.0.3.0 bundle.

Architecture: Specifically 32-bit (x86). If you need a 64-bit version, you must typically look for the newer 11.2.0.4.0 release, as a dedicated 64-bit installer for 11.2.0.3.0 is not standard.

Common File Path: After installation, it is usually found in ORACLE_HOME\odp.net\bin\4\Oracle.DataAccess.dll or registered in the Global Assembly Cache (GAC). Installation Recommendations ODAC 11.2.0.3.0 Install Instructions

The Oracle.DataAccess.dll version 4.112.3.0 is the unmanaged ODP.NET (Oracle Data Provider for .NET) driver that corresponds to Oracle Client 11.2.0.3. This specific version is legacy software and is primarily used for .NET Framework 4.0 and higher applications. 1. Download and Acquisition

Because this is an older release, it is typically bundled with specific Oracle Data Access Components (ODAC) packages:

Official Source: The most reliable way to obtain this version is through the 64-bit ODAC 11.2.0.3.0 or 32-bit ODAC 11.2.0.3.0 downloads. These are available on the Oracle Technology Network (OTN) ODAC download page.

NuGet Options: While a version exists on NuGet.org (Oracle.DataAccess.x86.4), users frequently report that the NuGet package is outdated (last updated in 2016) and may not include all required unmanaged dependencies.

Support Portal: For users with a valid support subscription, it can be downloaded as Patch 10098816 from the Oracle Support Portal. 2. Technical Specifications Oracle.DataAccess.dll ODP.NET vs Nuget package - GitHub

The assembly Oracle.DataAccess.dll version 4.112.3.0 is the primary driver for Oracle Data Provider for .NET (ODP.NET), specifically bundled with ODAC 11.2 Release 4 (11.2.0.3.0). This legacy version is critical for .NET Framework 4.0 (and above) applications that still rely on "Unmanaged" Oracle clients to connect to older databases or use features like User-Defined Types (UDTs). Direct Download and Installation

Oracle does not provide a standalone download for just the .dll. You must download the full Oracle Data Access Components (ODAC) package.

Official Source: Visit the Oracle .NET ODAC Downloads page. Since version 11.2.0.3.0 is older, check the ODAC 11.2 Release 4 (11.2.0.3.0) Install Instructions for archived links.

XCopy Version: For lighter deployments, use the ODAC 11.2.0.3.0 XCopy zip.

NuGet (Non-Official): While there is a NuGet package for Oracle.DataAccess.x86.4, it is a community-maintained package and may still require a local Oracle client to function. Key Technical Specifications Full Version ODAC Release 11.2 Release 4 (11.2.0.3.0) Target .NET Framework .NET Framework 4.0, 4.5, and above Processor Architecture x86 (32-bit) or x64 (64-bit) versions available Primary Dependency Requires Oracle Client (Instant, Runtime, or Full) Installation & Troubleshooting Steps 1. Registration in the GAC

If your application cannot find the DLL (error FileNotFoundException), it likely needs to be registered in the Global Assembly Cache (GAC). Use the OraProvCfg.exe tool located in your Oracle Home:

# Navigate to your ODP.NET bin folder cd C:\app\oracle\product\11.2.0\client_1\odp.net\bin\4 # Register the DLL OraProvCfg.exe /action:gac /providerpath:Oracle.DataAccess.dll Use code with caution. 2. Fixing Architecture Mismatch ODAC 11.2.0.3.0 Install Instructions - Oracle

Understanding Oracle.DataAccess.dll (Version 4.112.3.0) If you are working with legacy .NET applications, you’ve likely encountered a "FileNotFound" or "Version Mismatch" error referencing Oracle.DataAccess.dll version 4.112.3.0. This specific file is the core of the Oracle Data Provider for .NET (ODP.NET), acting as the bridge between your C# or VB.NET code and the Oracle Database. What is Oracle.DataAccess.dll 4.112.3.0?

This version belongs to the Oracle 11g Release 2 (11.2.0.3) suite. Version 4.x indicates that it is built for the .NET Framework 4.0 or higher. It is a "native" driver, meaning it relies on underlying Oracle Client software (OCI) installed on the machine to function. Where to Download oracle.dataaccess.dll version 4.112.3.0 download

Official downloads for version 4.112.3.0 are bundled within the Oracle Data Access Components (ODAC).

Oracle Official Website: The safest route is the Oracle Technology Network (OTN). Look for "ODAC 11.2 Release 3" or later.

Oracle Client Installation: If you install the full Oracle 11g (11.2.0.3) Client, this DLL is typically placed in the Global Assembly Cache (GAC) and the $ORACLE_HOME\odp.net\bin\4 folder.

Warning: Avoid "DLL download" sites. These often provide files that are stripped of their dependencies or contain malware. Because ODP.NET is an unmanaged driver, the DLL alone usually won't work without the rest of the Oracle Client home. How to Install and Register

Simply placing the DLL in your application folder is often insufficient because it requires native binaries (like OraOps11w.dll).

Use the ODAC Installer: Run the setup.exe from the ODAC 11.2 package. Select the ODP.NET component.

GAC Registration: To make the version available globally, use the Global Assembly Cache tool:gacutil /i Oracle.DataAccess.dll

Check Bitwise Compatibility: This is the most common pitfall. If your application is 32-bit (x86), you must use the 32-bit version of the DLL. If it is 64-bit (x64), you must use the 64-bit version. They are not interchangeable. Common Troubleshooting

"The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception": This usually means the DLL was found, but the underlying Oracle Client (OCI) or its dependencies are missing.

Version Mismatch: If your project references 4.112.3.0 but you have 4.112.2.0 installed, you can use a Binding Redirect in your web.config or app.config to force the application to use the available version. A Modern Alternative: Managed Driver

If you are tired of dealing with heavy Oracle Client installations and "DLL Hell," consider switching to Oracle.ManagedDataAccess.dll. It is available via NuGet, requires no "Oracle Home" installation, and is entirely bit-neutral. While 4.112.3.0 is required for older systems, the Managed Driver is the gold standard for new development.

Introduction

Oracle Data Access Components (ODAC) is a library of .NET data providers that enable .NET developers to access Oracle databases. The oracle.dataaccess.dll is a key component of ODAC, which provides a set of classes that allow .NET applications to connect to Oracle databases, execute SQL statements, and retrieve data.

Oracle Data Access Components (ODAC) Version 4.112.3.0

The ODAC version 4.112.3.0 is a specific release of the ODAC library, which supports Oracle Database 12c and later versions. This version of ODAC includes several enhancements and bug fixes, including support for .NET Framework 4.5 and 4.6.

Downloading oracle.dataaccess.dll version 4.112.3.0

To download the oracle.dataaccess.dll version 4.112.3.0, follow these steps:

  1. Visit the Oracle Technology Network (OTN) website: Go to the Oracle Technology Network (OTN) website at https://www.oracle.com/technetwork/topics/dotnet/downloads.
  2. Select the correct ODAC version: Click on the "Oracle Data Access Components (ODAC) for .NET" link, and then select the version that matches your .NET framework and Oracle database version.
  3. Download the ODAC installer: Download the ODAC installer (e.g., odac4.112.3.0.exe) and run it on your machine.
  4. Extract the DLL: Once the installer is complete, navigate to the ODAC installation directory (e.g., C:\Oracle\ODAC4.112.3.0) and locate the oracle.dataaccess.dll file.

Installation and Configuration

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

  1. Register the DLL: Register the oracle.dataaccess.dll file in the Global Assembly Cache (GAC) using the gacutil.exe tool or by using the ODAC installer.
  2. Configure the tnsnames.ora file: Ensure that the tnsnames.ora file is properly configured on your machine to connect to the Oracle database.
  3. Add a reference to your .NET project: In your .NET project, add a reference to the oracle.dataaccess.dll file.

Conclusion

In this paper, we provided an overview of Oracle Data Access Components (ODAC) and guidance on obtaining the oracle.dataaccess.dll version 4.112.3.0. By following the steps outlined above, you should be able to download, install, and configure ODAC on your machine, enabling your .NET applications to access Oracle databases. If you encounter any issues, you can refer to the Oracle documentation and support resources for further assistance.

2. The "Unmanaged" Dependency

This version of ODP.NET is "unmanaged," meaning it acts as a wrapper around native C++ Oracle client libraries. If oraociei11.dll is missing from the system path, the application will crash on the first connection attempt.

3. configSections Error

When upgrading to .NET 4.0+ using this legacy DLL, developers often encounter configuration errors regarding the <sectionGroup> in machine.config or web.config. You may need to manually add the following to your config file:

<section name="oracle.dataaccess.client"
         type="System.Data.Common.DbProviderConfigurationHandler, System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />

Summary

oracle.dataaccess.dll version 4.112.3.0 is a stable, widely deployed legacy driver for .NET 4.0 applications connecting to Oracle 11g databases. While reliable, it requires careful attention to 32/64-bit architecture matching and proper installation of the underlying Oracle Client libraries.

Conclusion

Downloading Oracle.DataAccess.dll version 4.112.3.0 is not a simple “right-click save as”. It requires installing ODAC 11.2 Release 4 (11.2.0.3.0) from Oracle’s official website. Once installed correctly, this trusted provider offers robust, high-performance access to Oracle databases from .NET Framework applications – even if it’s an older version.

Remember: Always match bitness, watch your PATH environment variables, and consider migrating to Oracle.ManagedDataAccess for future projects.

If you are maintaining a legacy system that demands version 4.112.3.0, follow this guide exactly, and you will save hours of “DLL not found” frustration.

Have a question or an edge case not covered? Leave a comment below or check Oracle’s official ODP.NET forum. Good luck with your .NET and Oracle integration!

Oracle.DataAccess.dll is a critical component of the Oracle Data Provider for .NET (ODP.NET)

. It acts as the bridge between .NET applications (using .NET Framework 4.0 or higher) and the Oracle Database. 🛠️ Technical Profile Component: ODP.NET, Unmanaged Driver Oracle Client Version: 11.2.0.3.0 Target Framework:

.NET Framework 4.x (indicated by the leading "4" in the version number) Available in both 32-bit (x86) 64-bit (x64) Oracle Forums 📥 Where to Download

You cannot typically download this single DLL safely from a third-party site. It must be installed as part of a larger package to ensure all "unmanaged" dependencies (like ) are present. Official Source: Download the Oracle Data Access Components (ODAC) Specific Version: ODAC 11.2.0.3.0 on the Oracle Technology Network. Alternative (Developer): A community-maintained version is available on

, but it still requires the Oracle Client to be installed on the machine. ⚠️ Common Usage & Troubleshooting

Developers often search for this specific version because ODP.NET is version-sensitive

; the DLL version must match the installed Oracle Client version exactly to function. Oracle Forums The "Bitness" Trap:

If your application is "Any CPU" but you only have the 32-bit driver installed, it will fail on 64-bit Windows. You must match the application's process bitness to the driver. If you have multiple versions installed, use the setting in your web.config app.config to force the app to use the correct GAC Installation: This version is often registered in the Global Assembly Cache (GAC) The assembly Oracle

. If your project reference is "broken," check if the assembly is properly GACed using Oracle Forums 🚀 Modern Recommendation

If you are starting a new project or can refactor, Oracle recommends switching to the Managed Driver Oracle.ManagedDataAccess.dll Oracle Forums

It is a single DLL, does not require an Oracle Client installation, and is platform-independent (works for both 32-bit and 64-bit without extra configuration).

Are you trying to fix an "Assembly not found" error in an existing app, or are you setting up a new development environment? I can provide the specific web.config snippets or installation steps for either case. ODAC 11.2.0.3.0 Install Instructions - Oracle

The story of Oracle.DataAccess.dll version 4.112.3.0 is a classic tale of the "DLL Hell" that developers often face when working with the Oracle Data Provider for .NET (ODP.NET). This specific version is tied to Oracle Data Access Components (ODAC) 11.2 Release 3

, a crucial piece of middleware used to connect .NET applications (like those built in C# or VB.NET) to Oracle databases. Oracle Forums The Developer's Dilemma

Imagine a developer who has just finished building a console application on their local machine. Everything works perfectly until they deploy it to a production server. Suddenly, the app crashes with a dreaded error:

Could not load file or assembly 'Oracle.DataAccess, Version=4.112.3.0'

This begins a "detective story" where the developer must reconcile several strict requirements: The Architecture Trap

: Version 4.112.3.0 is highly sensitive to whether the application is running in 32-bit (x86) 64-bit (x64)

mode. If a 32-bit application tries to load a 64-bit version of this DLL, it throws a System.BadImageFormatException The GAC Gatekeeper

: To make the DLL available system-wide, it often needs to be registered in the Global Assembly Cache (GAC) . Developers frequently use tools like oraprovcfg.exe to force the server to recognize this specific version. The Version "Lock-In"

: Version 4.112.3.0 belongs to the 4.x family of ODP.NET, which is designed for applications targeting .NET Framework 4.0 or higher

. If the app was built for .NET 2.0, it wouldn't even look for this version—it would demand the 2.x equivalent instead. Stack Overflow Where to Find It

Because this version is legacy (associated with Oracle 11g), it is no longer the primary download on Oracle’s main site. Developers often hunt for it in:

1. Oracle Universal Installer (Full Client)

3. Oracle’s NuGet (Historical / Private Feed)

Oracle never published version 4.112.3.0 to NuGet.org. Some private NuGet servers (e.g., internal company feeds) may have it, but you cannot obtain it from the official NuGet gallery.

Understanding Version 4.112.3.0

The version number 4.112.3.0 maps to:

This version is commonly used with: