DPR-ERR-2079 Firewall Security Rejection. Your request was rejected by the security firewall

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Product:
Cognos Analytics 11.0.12
Microsoft Windows 2016 server

Problem:
When i run a cognos report with TM1 data, i get a error;
DPR-ERR-2079 Firewall Security Rejection. Your request was rejected by the security firewall.

Solution:
In this case, close the internet browser, and login to CA11 again. The session have timed out, so you where not logged in.

Other solutions could be;
That the TM1 server or the users domain is not listed in the CAF setup. Please add them.

Ensure that CAP is setup the same on all servers.
Steps:Repeat the following on all servers:
1. Open Cognos Configuration.
2. Expand to Security, Cognos Application Firewall: ‘Enable CAF validation’ and ensure the setting TRUE/FALSE is consistent across all configurations.

More Information:
https://www.ibm.com/communities/analytics/cognos-analytics-blog/cognos-analytics-and-planning-analytics-integration-walkthrough-part-1/