Oracle.dataaccess.dll Version 4.112.3.0 Download [2021] Jun 2026

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

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.

It is frequently used for legacy systems because it supports older, native Oracle features and specific ODP.NET behaviors not present in later managed drivers. Where to Download Oracle.DataAccess.dll 4.112.3.0

Oracle.DataAccess.dll is a critical component of the Oracle Data Provider for .NET (ODP.NET) oracle.dataaccess.dll version 4.112.3.0 download

[System.Reflection.Assembly]::LoadFile("C:\path\to\Oracle.DataAccess.dll").FullName

While still functional, this version has known limitations:

Because version 4.112.3.0 is an unmanaged driver, simply referencing the DLL in Visual Studio is not enough. The runtime machine must have matching Oracle client libraries. 1. Match the CPU Architecture "Could not load file or assembly 'Oracle

Ensure you're selecting the correct version (4.112.3.0) and that it's compatible with your .NET framework and Oracle database versions.

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

Version 4.112.3.0 of Oracle.DataAccess.dll is significant because it provides a stable and feature-rich interface for .NET applications to connect to Oracle databases. This version supports Oracle Database 11g and later, and it's compatible with .NET Framework 4.0 and later. Additionally, it includes several bug fixes and performance enhancements. The runtime machine must have matching Oracle client

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:

She closed her laptop and walked to the window. Outside, the city slept, never knowing that its paychecks owed their existence to — a piece of forgotten software, now safe in its new home, faithfully translating ones and zeroes until the end of time.

the contents to a folder (e.g., C:\ODAC112030 ).

: Required for 64-bit OS environments and 64-bit applications.