Extract the ZIP, navigate to odp.net\bin\2.x , right-click Oracle.DataAccess.dll → Properties → Details: should be 2.112.2.0 .
: The installer may fail or show compatibility warnings on newer Windows versions.
The specialized file is the official package for Oracle Data Access Components (ODAC) with Oracle Developer Tools (ODT) for Visual Studio, Release 11.2.0.2.1 . This suite allows .NET developers to build legacy Windows applications that connect directly to Oracle 11g databases. oracle 11g client odt odac 11.2 0.2 1 zip download
<dependentAssembly> <assemblyIdentity name="Oracle.DataAccess" publicKeyToken="89b483f429c47342"/> <bindingRedirect oldVersion="2.112.2.0" newVersion="4.122.19.1"/> </dependentAssembly>
How to Find "Oracle 11g Client ODT ODAC 11.2.0.2.1 Zip Download" Extract the ZIP, navigate to odp
Includes database client binaries ( oci.dll ) required to resolve runtime errors such as Can't initialize OCI . Official Download and Acquisition Guide
The ODT_ODAC112021.zip package contains two primary components: This suite allows
| Variable | Example Value | Purpose | |---|---|---| | ORACLE_HOME | D:\app\username\product\11.2.0\client_1 | Points to Oracle client installation root | | TNS_ADMIN | D:\app\username\product\11.2.0\client_1\network\admin | Points to directory containing tnsnames.ora | | NLS_LANG | SIMPLIFIED CHINESE_CHINA.AL32UTF8 | Sets language, territory, and character set |
: While not officially supported by Oracle for this legacy version, many users report successful installation on newer Windows versions using compatibility mode settings. However, Oracle recommends upgrading to newer ODAC versions for production use on modern operating systems.