Great work, just what I needed. Thank you Mr. Solution Provider & Problem Definer!

Hi ,
Our four diffrent sequential workflow working fine for past six months in production server.suddenly we are facing the intermittent issue
Engine RunWorkflow: System.Workflow.Activities.EventDeliveryFailedException: Event "OnTaskChanged" on interface type "Microsoft.SharePoint.Workflow.ITaskService" for instance id "c6367943-6215-409e-8187-df23b312658b" cannot be delivered. ---> System.Workflow.Runtime.QueueException: Event Queue operation failed with MessageQueueErrorCode QueueNotFound for queue 'Message Properties Interface Type:Microsoft.SharePoint.Workflow.ITaskService Method Name:OnTaskChanged CorrelationValues: bd020ac0-439b-469b-b231-7acc6c4b0b31 '. at System.Workflow.Runtime.WorkflowQueuingService.GetQueue(IComparable queueID) at System.Workflow.Runtime.WorkflowQueuingService.EnqueueEvent(IComparable queueName, Object item) at System.Workflow.Runtime.WorkflowExecutor.EnqueueItem(IComparable queueName,...
02/21/2014 14:30:03.05* w3wp.exe (0x1258) 0x1410 SharePoint Foundation

can you please provide solution for this issue.we need to update any cumulative updates to server or its a permission issue.

Great details! I'm debugging a SharePoint 2013 workflow issue and use this as a reference.

Amazing explanation to each and every item.....nice one!!!