The final version of the Windows Web Services API for Windows XP, Windows Vista, Windows Server 2003 and Windows Server 2008 is now available. This version corresponds to the final version of the WWSAPI released as part of Windows 7 and Windows Server 2008 R2. To develop for this version of the runtime, you need to install Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1. Please make sure to regenerate all code using the new version of wsutil.exe tool. You will also need to rebuild all source code that used any of the pre-released versions of this API.

This release is available in 25 languages: Arabic, Chinese - Hongkong, Chinese - Simplified, Chinese - Traditional, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Norwegian , Polish, Portuguese (Brazil), Portuguese (Portugal), Russian, Spanish, Swedish, Turkish. The table below summarizes CPU architectures and the minimal level of Service Packs supported by this release. Make sure to deploy the latest service pack and all critical updates for the version of Windows to computers on which you plan to install this release. To find recent security updates, visit Windows Update.

 Windows Version

Service Pack

x86

x64

ia64

Windows XP

SP3

Yes

Yes

No

Windows Server 2003

SP2, R2 SP2

Yes

Yes

Yes

Windows Vista

SP1

Yes

Yes

No

Windows Server 2008

SP1

Yes

Yes

Yes

In contrast to the past pre-released version of this API, this final version release can be used in production code and redistributed with the final versions of the product. Because of this, the final version is only available to companies who agree to terms of Windows Master Redistribution License Agreement (MRLA). To acquire the redistributable installers for this release and a copy of the Windows MRLA for review, please email a formal request to wwsredst@microsoft.com. In your email, please include a brief description of your plans for using this release and the business contact information for your company using which you can be reached at later on. If you have questions about this release, please email them to wwsredst@microsoft.com.