Windows Workflow Foundation simplifies the process of creating stateful, long-running, persistent workflow applications. The workflow runtime engine manages workflow execution and enables workflows to remain active for long periods of time and survive application restarts.

Windows Workflow Foundation provides the SqlWorkflowPersistenceService that integrates well with Microsoft SQL Server 2005 Express, SQL Server 2000 or later, or SQL Server 2000 Desktop Engine (MSDE) to persist workflow information easily and efficiently.

For more information about persistence, see Windows Workflow Persistence Services and Creating Custom Persistence Services.

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