Update 4.0.3 for the Microsoft .NET Framework 4

Layla Driscoll

Update (2017): See .NET Framework Releases to learn about newer releases. This release is no longer supported.

We continue to bring certain features through updates to .NET 4 without having to wait for the .NET 4.5 release. This post covers what the latest platform update has to offer. Vivek Mishra from the .NET Servicing team authored the following. – Layla

Update 4.0.3 for the Microsoft .NET Framework 4 is now available for download. This is the third platform update that offers new features on top of the initial release for the .NET Framework 4. You can learn about earlier platform updates via the following links: Update 4.0.2 and Update 4.0.1.

Update 4.0.3 introduces five new features spanning the common language runtime, Windows Workflow Foundation (WF), and SqlClient. In addition, Update 4.0.3 includes all the features released in Update 4.0.1 and 4.0.2.

This post briefly describes the features included in Update 4.0.3 and provides links to the download packages and Microsoft Knowledge Base articles, which describe the changes in detail. You can find further information about how to use this release, setup instructions, and links to documentation in the .NET Framework Developer Center.

What are the features in 4.0.3?

The following table lists all the features included in this update. Note that features from earlier platform updates are also included in 4.0.3 and remain unchanged from their initial release.

Feature 4.0.1 4.0.2 4.0.3
Support for running workflows in partial trust
Windows Workflow Foundation messaging activities enabled across multiple hosts
New GCLatencyMode enumeration value for garbage collection behavior
Support for Correlated Connection ID in SqlClient
New support in .NET Framework 4 Portable Class Libraries
AlwaysOn support in SqlClient
SQL Server Express Local Database Runtime support in SqlClient
StateMachine (including designer support)
SqlWorkflowInstanceStore on SQL Azure
Compensation for custom hosts

Where can I get 4.0.3?

If you discover any issues while working with this update, please send them our way via Microsoft Connect.


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