502 bad gateway

Cognos Analytics 11.0.12
Microsoft Windows Server 2016

When open up the administration tab from Cognos connection in CA11. You click on the system link on the left in IBM Cognos Administration. You see only the spinning wheel and the text “Working…” for a long time….

Error message:


Suggested solution:
Stop the IBM Cognos services, and start them in correct order slowly.
To make sure that they come up correct.


More information:

Order to Restart Cognos and TM1 Servers