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NET Framework 1.0 SP3 and 1.1 SP1 Technical Preview

To aid professional developers in planning and testing for the deployment of .NET Framework Service Packs (SP), Microsoft is offering a technical preview of .NET Framework 1.0 SP3 and .NET Framework 1.1 SP1.

download .NET Framework 1.1 Service Pack 1
Tech Preview provides an early look at updates and feature enhancements that will be shipped as part of .NET Framework 1.1 Service Pack 1. It is currently available in English.   

download .NET Framework 1.1 Service Pack 1 for Windows Server
Windows Server 2003 version of the Tech Preview. Tech Preview provides an early look at updates and feature enhancements that will be shipped as part of .NET Framework 1.1 Service Pack 1. It is currently available in English.   

download .NET Framework 1.0 Service Pack 3
Tech Preview provides an early look at updates and feature enhancements that will be shipped as part of .NET Framework 1.0 Service Pack 3. It is currently available in English.

article1 Contents of .NET Framework 1.1 Service Pack 1
A comprehensive listing of all the changes included in .NET Framework 1.1 Service Pack 1. Includes customer issues addressed with hotfixes, improved importing of WSDL, data execution prevention, buffer overrun protection and other technologies included in Service Pack 1.  

article1 Contents of .NET Framework 1.0 Service Pack 3
A comprehensive listing of all the changes included in .NET Framework 1.0 Service Pack 3. Includes customer issues addressed with hotfixes, improved importing of WSDL, data execution prevention, buffer overrun protection and other technologies included in Service Pack 3.