Error when launching Scenario Comparison or Project Worksheet in SSO configuration
Symptoms
Environment is configured for SSO.
Error in UI:
HTTPWebRequest_WebException_RemoteServer
Arguments: NotFound
Error in Windows event log:
The authentication schemes configured on the host ('IntegratedWindowsAuthentication') do not allow those configured on the binding 'CustomBinding' ('Anonymous'). Please ensure that the SecurityMode is set to Transport or TransportCredentialOnly.
Reason
Enterprise website is configured for Windows Authentication.
Resolution
Configure the Enterprise website authentication as Anonymous, and disable all other authentication methods, in IIS manager: