DPR-ERR-2022 No response generated. This may be due to an incorrect configuration, a damaged installation, or the dispatcher not having finished initializing.
After you start the services in IBM Cognos Configuration and then try to open the portal.
Opening the Portal Too Soon
This problem can occur if you try to open the portal before IBM Cognos services are initialized.
To avoid this problem, after you start the services in IBM Cognos Configuration and the configuration tool shows that the services are running, wait a few minutes for all services to start before you open the portal.
The system.xml File Contains Errors
The system.xml file may have been edited.
Replace the system.xml file in the c8_location\templates\ps\portal directory with a copy from backup or use an XML editor to edit it.