server error in “/” application


Cognos Controller 10.4.2

Microsoft Windows 2019 server


When testing the access to controllerserver application in iis you get an error (after you active HTTPS for the IIS website):

This when you test by browse to address:

Suggested solution:

Restart the Cognos Controller server or

Change the IIS manager to only use HTTPS bindings and not both port 80 and 443 on the default web site.

Clear the cache in your web browser before you test again.


More Information: