Network Flow Analysis data source is showing as Unreachable in the System Status screen after upgrading. The NFA data source is available and syncs fine
Dx NetOps Performance Management and NFA
The ODATA service on the NFA Console machine was not working.
Simply recycle the CA NFA Odata Service on the NFA console.
If the problem is caused by a hung ODATA service, no additional steps should be required, the NFA status should go green in the NetOps portal.
For additional steps if this does not resolve the issue see also:
https://knowledge.broadcom.com/external/article?articleId=211916