Oracle.dataaccess.dll Version 4.112.3.0 Download ((hot)) -
Your Oracle.DataAccess.dll version (4.112.3.0) cannot communicate with the underlying native binaries ( oraclient11.dll ) installed on the OS.
Do you have the ability to to update to the newer managed driver? Share public link
The Oracle.DataAccess.dll assembly is the core component of Oracle Data Provider for .NET (ODP.NET). Version 4.112.3.0 corresponds directly to the Oracle 11g Release 2 (11.2.0.3) client ecosystem. It acts as a high-performance bridge between Microsoft .NET Framework 4.0 applications and Oracle databases.
Files from third-party archives can be bundled with malware or altered maliciously. Where to Safely Download Version 4.112.3.0 oracle.dataaccess.dll version 4.112.3.0 download
Oracle DLLs are cryptographically signed by Oracle. While you can check the digital signature, downloading from anywhere other than Oracle is a security risk and violates Oracle’s licensing terms.
using Oracle.DataAccess.Client;
Search for the archive page. Look specifically for ODAC 11.2.0.3.0 . Step 2: Choose the Correct Architecture Your Oracle
Disclaimer: This information is based on public forum discussions and Oracle documentation as of 2026. Always back up existing configurations before upgrading or changing Oracle drivers.
Option 2: Extracting from an Existing Oracle 11.2.0.3 Client
Method 1: Using the XCopy Package (Recommended for Deployment) Version 4
Thus, 4.112.3.0 = ODAC 11.2.0.3.0.
ODP.NET relies on complex Windows Registry keys and unmanaged dependencies (like oci.dll ) that a single DLL cannot replicate.
Verify your tnsnames.ora file located in \network\admin within your Oracle Home. Conclusion
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