Web Services Enhancements (WSE)

Web Services Enhancements for Microsoft .NET (WSE) is a supported add-on to Microsoft Visual Studio .NET and the Microsoft .NET Framework providing developers the latest advanced Web services capabilities to keep pace with the evolving Web services protocol specifications.

Download Web Services Enhancements 2.0 Service Pack 3

WSE 2.0 simplifies the development and deployment of secure Web services by enabling developers using Visual Studio .NET and the .NET Framework to more easily apply security policy, establish long-running secure conversations, retrieve and validate security tokens and more. New features include a policy framework, enhanced security model, message-oriented programming model, and support for multiple hosting environments.

View the Web Services Enhancements 2.0 Service Pack 3 Readme file

View the Web Services Enhancements 2.0 Documentation

Download Web Services Enhancements 2.0 Service Pack 3 Redistribution Runtime MSI
WSE 2.0 may be redistributed as part of your solution, provided that redistribution is done using the WSE 2.0 redistribution MSI. When redistributing WSE, use this MSI with the corresponding application installer. If you prefer to not include this MSI in your setup, you may direct customers to this site so they can download the latest version of the runtime MSI.

http://msdn.microsoft.com/webservices/building/wse/