System Requirements

Oracle Data Provider for .NET requires the following:

Windows operating system
- 32-bit: Windows 7 (Professional, Enterprise, and Ultimate Editions), Windows Vista (Business, Enterprise, and Ultimate Editions), Windows Server 2008 (Standard, Enterprise, Datacenter, Web, and Foundation Editions), Windows Server 2003 R2 (all editions), Windows Server 2003 (all editions), or Windows XP Professional Edition.
  
  Oracle supports 32-bit ODP.NET on x86, AMD64, and Intel EM64T processors on these operating systems.
- 64-bit: Windows 7 x64 (Professional, Enterprise, and Ultimate Editions), Windows Vista x64 (Business, Enterprise, and Ultimate Editions), Windows Server 2008 R2 x64 (Standard, Enterprise, Datacenter, Web, and Foundation Editions), Windows Server 2008 x64 (Standard, Enterprise, Datacenter, Web, and Foundation Editions), Windows Server 2003 x64 (all editions), Windows Server 2003 R2 x64 (all editions), or Windows XP x64.
  
  Oracle supports 32-bit ODP.NET and 64-bit ODP.NET for Windows x64 on these operating systems.
Note:
ODP.NET does not support Itanium systems.
Microsoft .NET Framework
- ODP.NET for .NET Framework 2.0 is only supported with Microsoft .NET Framework 2.0, 3.0, or 3.5.
- ODP.NET for .NET Framework 4 is only supported with Microsoft .NET Framework 4 or .NET Framework 4 Client Profile.
Access to Oracle9i Database Release 2 or later
Oracle Client release 11.2

This is automatically installed as part of the ODP.NET installation.

Additional requirements are the following:

Applications using distributed transactions require Oracle Services for Microsoft Transaction Server release 11.2.
Applications using OracleXmlStream and OracleXmlType classes with schema-based XMLType require access to Oracle Database 10g release 1 (10.1) or later.