Steps to reproduce and access to the site are in the internal description. The exception follows: The step will fail with: ExecuteCommand failed! BrowserCommand (Type:'Information',Info:'IsReady',Action:'NotSet',Target:'null',Data:'',ClientId:'14d4d661-339c-4ea9-ae94-f80e77ead826',HasFrames:'False',FramesInfo:'',TargetFrameIndex:'-1',InError:'False',Response:'') InnerException: System.TimeoutException: Timed out waiting for command to be handled at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId, Int32 timeout) at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId) at ArtOfTest.WebAii.Core.Browser.ExecuteCommandInternal(BrowserCommand request) InnerException: ArtOfTest.WebAii.Exceptions.ExecuteCommandException: ExecuteCommand failed! BrowserCommand (Type:'Information',Info:'IsReady',Action:'NotSet',Target:'null',Data:'',ClientId:'14d4d661-339c-4ea9-ae94-f80e77ead826',HasFrames:'False',FramesInfo:'',TargetFrameIndex:'-1',InError:'False',Response:'') InnerException: System.TimeoutException: Timed out waiting for command to be handled at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId, Int32 timeout) at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId) at ArtOfTest.WebAii.Core.Browser.ExecuteCommandInternal(BrowserCommand request) ---> System.TimeoutException: Timed out waiting for command to be handled at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId, Int32 timeout) at ArtOfTest.WebAii.Messaging.Process.BrowserHostsProxyRemoted.ProcessBrowserRequest(BrowserCommand command, String requestId) at ArtOfTest.WebAii.Core.Browser.ExecuteCommandInternal(BrowserCommand request) --- End of inner exception stack trace --- at ArtOfTest.WebAii.Core.Browser.ExecuteCommandInternal(BrowserCommand request) at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request, Boolean performDomRefresh, Boolean waitUntilReady) at ArtOfTest.WebAii.Core.Browser.IsReady() at ArtOfTest.WebAii.Core.Browser.WaitUntilReady() at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request, Boolean performDomRefresh, Boolean waitUntilReady) at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request) at ArtOfTest.WebAii.Core.Browser.InternalNavigateTo(Uri uri, Boolean useDecodedUrl) at ArtOfTest.WebAii.Core.Browser.NavigateTo(Uri uri, Boolean useDecodedUrl) at ArtOfTest.WebAii.Core.Browser.NavigateTo(String url, Boolean useDecodedUrl) at ArtOfTest.WebAii.Design.IntrinsicTranslators.Descriptors.NavigateToActionDescriptor.Execute(Browser browser) at ArtOfTest.WebAii.Design.Extensibility.HtmlActionDescriptor.Execute(IAutomationHost autoHost) at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)