Activity onWorkflowItemChanged validation warning: The correlation token may be uninitialized

Sun, 23 Sep 2012 13:45:34 +0000

Update: the below information is useful reference, but you may find it leads to undesirable results, where your workflowItem events fire repeatedly. Read the below, and then read this.

Working in Visual Studio 2010 and designing SharePoint 2010 state machine and sequential workflows, you may come across the following warning message when building and deploying your solution when using the onWorkflowItemChanged event:

Activity ‘onWorkflowItemChanged’ validation warning: The correlation token may be uninitialized

You will also probably notice that your workflow doesn’t respond or wake up to any onWorkflowItemChanged events. This is almost certainly due to the correlation token you’re using. The way to get this working correctly is:

Correlation Token on Matt Thornton

Activity onWorkflowItemChanged validation warning: The correlation token may be uninitialized