Assume that you have a .NET Framework 4.5-based workflow that includes the Workflow Identity parameter. The Workflow Identity parameter is not null. You persist the workflow to the SQL Workflow Instance Store. In this situation, you cannot start the host to run the workflow if you do not update the Instance Store in order to store the value.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To work around this issue, update the SQL Workflow Instance Store by running the following script: