If you face performance issues with Spira or KronoDesk when the users use Internet Explorer 9.0, there is a known issue in ASP.NET 4.5 that can cause the client to disconnect and all subsequent AJAX calls do not get processed. This article describes the symptoms and the solution.
This article is now obsolete.Internet Explorer 9 is no longer supported by Spira or KronoDesk.
This article describes how to resolve the following error message that can occur on new installations of SpiraTest, SpiraPlan, SpiraTeam or KronoDesk when ASP.NET is not correctly configured. This message typically only occurs on Windows Vista, Windows7 or Windows 2008 Server.
HTTP Error 500.21 - Internal Server ErrorHandler "PageHandlerFactory-Integrated" has a bad module "ManagedPipelineHandler" in its module list.