Oracle 11g and its associated developer tools have passed their End of Product Life cycle. While this specific package remains crucial for maintaining and legacy-hosting older corporate systems, it lacks modern security patches. For new software developments, it is highly recommended to migrate architectures toward the , which eliminates complex client-side zip installations and can be managed completely through NuGet package managers.
Windows Server 2008, Windows Server 2003, Windows 7, Windows Vista, and Windows XP (both 32-bit and 64-bit architectures, though the specific package is typically architecture-dependent).
From this page, you can select the appropriate version: .
| 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 | oracle 11g client odt odac 11.2 0.2 1 zip download
Close all instances of Visual Studio. Open a command prompt as administrator, navigate to the Oracle Home directory, and re-run the specific component registration command scripts. If you'd like, let me know: What version of Visual Studio you are targeting The operating system version you are deploying on If you face any specific runtime errors during compilation Share public link
| Component | Version | Purpose | |---|---|---| | Oracle Developer Tools for Visual Studio (ODT) | 11.2.0.2.0 | Tightly integrated add-in for Visual Studio 2005/2008/2010 | | Oracle Data Provider for .NET (ODP.NET) 2.0 and 4 | 11.2.0.2.0 | Optimized .NET data access to Oracle database | | Oracle Providers for ASP.NET 2.0 and 4 | 11.2.0.2.0 | ASP.NET provider infrastructure | | Oracle Provider for OLE DB | 11.2.0.2.0 | OLE DB data access | | Oracle ODBC Driver | 11.2.0.2.0 | ODBC connectivity | | Oracle Objects for OLE | 11.2.0.2.0 | OLE automation interfaces | | Oracle Services for Microsoft Transaction Server | 11.2.0.2.0 | Distributed transaction support | | Oracle SQL*Plus | 11.2.0.2.0 | Command-line SQL interface | | Oracle Instant Client | 11.2.0.2.0 | Lightweight client libraries |
Tools to develop and run .NET-based stored procedures. Oracle 11g and its associated developer tools have
You can choose "Typical" (installs all components) or "Custom" (allows you to select specific components, such as separating 32-bit from 64-bit).
| Requirement | Details | |--------------|---------| | OS | Windows 7, Windows Server 2008 R2, Windows Vista, XP (32/64) | | Visual Studio | VS 2008 SP1, VS 2010 (no VS 2012/2013 support) | | .NET Framework | 3.5 SP1 or 4.0 | | Oracle Database | 10g R2, 11g R1/R2 (client can connect to older databases) |
If you use newer versions (Visual Studio 2019/2022), you require updated ODAC packages (such as ODAC 19c or higher) that support those IDE extensions. Windows Server 2008, Windows Server 2003, Windows 7,
: Your application compilation target does not match the bitness of the installed Oracle driver.
If you are currently using or planning to use ODAC 11.2.0.2.1 in production:
Choose an Oracle Home name and installation path (e.g., C:\app\client\username\product\11.2.0\client_1 ).