workflow stop error (Event viewer error: failed to logon to AX)

Hi,

We are trying to create a workflow for project timesheet.  Workflow is setup but we submit the workflow then item queues are not created and we see the Workflow stop error.

Image may be NSFW.
Clik here to view.

I have checked the event viewer and I can see below error.

First Error:

Workflow threw an exception for the following reason: Failed to logon to Microsoft Dynamics AX.

Second Error:

Workflow Instance ID: 000123 mscorlib Failed to logon to Microsoft Dynamics AX.

Server stack trace:

at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)

at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)

at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)

at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]:

at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)

at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)

at Microsoft.Dynamics.AX.Framework.Workflow.Model.AxWorkflowServiceReference.SysWorkflowConfigurationService.getConfiguration(SysWorkflowConfigurationServiceGetConfigurationRequest request)

at Microsoft.Dynamics.AX.Framework.Workflow.Model.AxServiceClient.getConfiguration(Guid _configurationId, String _companyId)

at Microsoft.Dynamics.AX.Framework.Workflow.Model.WorkflowModel.LoadModel(Int64 workflowRecId, Guid workflowId, String companyId, Boolean runtime, String partitionKey)

at Microsoft.Dynamics.AX.Framework.Workflow.Model.WorkflowModel.Create(Guid workflowId, Boolean runtime)

at Microsoft.Dynamics.AX.Framework.Workflow.Runtime.AxWorkflowService.GetConfiguration(Guid configurationId, String companyId, String domainUser)

at Microsoft.Dynamics.AX.Framework.Workflow.Runtime.WorkflowInstanceManager.Execute(WorkflowMessage message, Guid instanceId, String instanceNumber, String originator, String submitter, Guid affinity)

I have checked the workflow execution account and it is set to admin account who has system admin role in AX.

Is there a way to resolve this?

Thanks in advance.

Regards,
Nadeem