.NET Framework 1.0 SP3 and 1.1 SP1 Tech Preview Available for Public Download

Today, Microsoft made technology preview versions of the .NET Framework 1.0 SP3 and .NET Framework 1.1 SP1 available for developers to download so they can test their .NET Framework-based applications with these service packs applied. Though these are unsupported technology previews, we would like to ask your help in ensuring the quality of the service packs by downloading them, testing your existing applications on them, and giving us feedback.


These two service packs address issues with the .NET Framework 1.0 and 1.1 including:

·         All customer issues addressed with hotfixes

·         Improved importing of WSDL

·         Data Execution prevention

·         Buffer overrun protection


Customers can download the technology previews from Microsoft.com Download Center at:


.NET Framework 1.0 Service Pack 3 Tech Preview: http://www.microsoft.com/downloads/details.aspx?FamilyId=CF52CA95-F2CC-459F-87EE-C17D16E22F08&displaylang=en

.NET Framework 1.1 Service Pack 1 Tech Preview: http://www.microsoft.com/downloads/details.aspx?FamilyId=12721880-CB9F-4481-9610-987DE96532E7&displaylang=en

.NET Framework 1.1 Service Pack 1 Tech Preview for Windows Server 2003: http://www.microsoft.com/downloads/details.aspx?FamilyId=DA1C20AD-35AE-4CEA-8451-730FCD603383&displaylang=en


If you have feedback, please send it to us at http://communities.microsoft.com/newsgroups/default.asp?icp=techpreview&slcid=us

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