I have created a video walkthrough of implementing side-by-side versioning with a web-hosted xamlx workflow service here: Side by Side Versioning with a Web-Hosted Xamlx Workflow Service This project provides a demo of implementing side-by-side...

A new Getting Started Tutorial for Workflow Manager 1.0 has been posted here: Workflow Manager 1.0 Getting Started Tutorial This is a 3 step tutorial which covers creating a custom activity, using it in a workflow, and publishing and invoking the...

I am pleased to announce the release of the first Cumulative Update (CU) for Workflow Manager 1.0; you can find the associated KB article here . The Workflow Manager CU has a dependency on Service Bus CU1 (KB is here ), which was also just released. ...

Congratulations to Bayer White on his recently published book, Pro WF 4.5 !

Happy New Year! I’ve gotten a few requests for WF customer examples, so I thought I'd kick off 2013 with a list of some published case studies. These are case studies specific to the use of WF directly; there are numerous additional case studies...

We've updated our Workflow Developer Center on MSDN. We've simplified the design and refreshed the site with updated links. As part of this work, we've also pulled together a list of key WF samples. Our goal is for this to be a go-to site that aggregates...

We delivered a Workflow session at the //build/ conference yesterday. Slides and a recording of the presentation are now available ; it was a great opportunity to provide an update on all of our recent investments . It was a packed session with lots of...

We have a new case study from one of our good partners, PayGlobal . The case study does a great job describing how WF contributes to their Exolvo solution. It also highlights the developer productivity gains that PayGlobal's consultants and customers...

We have completed our validation work and are pleased to announce that Microsoft AppFabric 1.1 for Windows Server now supports the following platforms: .NET 4.5 Windows Server 2012 Windows 8 x64 (for development purposes) Windows PowerShell...

Today we announced the RTM release of Workflow Manager 1.0, a new offering that builds on and extends the capabilities of WF 4.5. It's been an incredibly busy time for the team, and we're thrilled to get this release out to our customers, hot on the heels...

I’ve gotten a few questions about AppFabric for Windows Server, so I’d like to share some thoughts on the topic, specifically on the Workflow management aspects of AppFabric Server. First, it’s important to clarify what AppFabric...

I mentioned in the previous post that one of our key investments has been supporting the new workflow model in SharePoint 2013 , which is now available in Preview form. To accomplish this, we have been developing the “Workflow Manager”. As...

We’ve been making significant investments in Workflow since the release of .NET 4, and now that we're starting to wrap up some of these investments, I thought it would be worthwhile to provide a summary. The work falls into 3 major areas: ...

Scott Guthrie has a new blog post which highlights our work to support the new model for SharePoint apps and workflows in SharePoint 2013 and the next version of Office 365. You can find more on SharePoint 2013 workflows, which are based on WF 4.5...

Question Can I use a LINQ Query such as the following in a Workflow? private static void ShowQueryWithCode(IEnumerable< string > names) { Console.WriteLine( "Linq Query in Code - show names that start with 'R'" ); // Assuming there are...

One of our long-time MVPs, Rick Garibay, and one of our DPE evangelists, Hammad Rajjoub, have just released their new book, Microsoft Windows Server AppFabric Cookbook . If you’re building your WF4 workflows as WCF SOAP services and running in...

We delivered two presentations at TechEd in June; thanks to everyone who attended in person. The recordings and presentations are available online: What's New in Windows Workflow Foundation 4.5 Building, Running, and Managing Workflows on Windows...

Developers often say that there is a steep learning curve with Windows Workflow Foundation (WF4).  I won’t deny that… instead, allow me to share three simple rules that will help you to get over that curve sooner and to make them easy to remember...

When using VB Workflow projects in Visual Studio 2012 RC, you may receive a System.InvalidCastException while editing expressions. The Exception message would be similar to the following: An exception has been encountered. This may be caused by...

Recently saw this question in the MSDN Workflow Forum Is there a (SetState) in the new StateMachine Activity? Many users of Workflow in .NET 3.5 took advantage of the StateMachineWorkflowInstance class to determine what state a workflow is in, and also...

As you’ve seen in a previous post, we have added a lot of new features in WF 4.5; see this article for more discussion of those features. A number of those features (e.g. annotations, auto-surround with sequence, etc.) were developed to improve...

Leon Welicki, PM on the Workflow team, has written a great MSDN Magazine article covering the new WF features in .NET 4.5, including: Workflow Designer enhancements C# expressions Contract-first authoring of WCF Workflow Services Workflow...

In .NET 4 the Workflow Team released an all new Workflow engine in the System.Activities namespace. This new Workflow technology, which we refer to as WF4, responded to key customer feedback by providing significant programming model, runtime, and authoring...

Try this… Create a new ASP.NET Web Application (MVC or Web Forms).  Then add a new a WCF Workflow Service to your web project. Now try to add a service reference to your workflow service.  It fails with an error. There was an error downloading...

In my previous posts I’ve written about my experiences with WorkflowServices and Silverlight. Troubleshooting Workflow Services / Silverlight Using Workflow Services and Silverlight Together WorkflowServices, CanCreateInstance and Silverlight Problem...