Error: HTTP 404 Page Cannot be Found
Error Message
After upgrading to CDM version 20 and later, in the Certent 365 web client, after entering your username and clicking Next, you may see an error:
HTTP 404: Page Cannot be Found.
Error Log
In the log file, the following error may be present:
[21] FATAL Cirrus.Api.WebApiApplication - (null) The controller for path '/CertentCDM-Server/' was not found or does not implement IController. ? ? ? System.Web.HttpException (0x80004005): The controller for path '/CertentCDM-Server/' was not found or does not implement IController.
at System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType) at System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext, IController& controller, IControllerFactory& factory)
at System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously
Solution
- Uninstall the CDM client.
- Delete the folder from C:\ProgramFiles(x86)\Certent.
- Delete or rename the CDM folder in the %localappdata% folder.
- Reinstall the CDM client.