Site Groups not showing under Inventory Sites menu

Document ID : KB000105860
Last Modified Date : 31/08/2018
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Issue:
The 'Inventory -> Sites' menu tab in CA Performance Center does not show the items for Sites, although a lot of sites have been added and exist.
Environment:
CA Performance Center 3.x
Cause:
The appearance of the 'Inventory -> Sites' menu choice is tied to NFA data source Sites. 
- CAPM generated Site Group types are only visible in the CAPC Dashboards Views (e.g. Network Performance ) other than from the Inventory->Site menu option 
- NFA synchronized Sites are only visible via the Inventory->Site menu option 
 
Resolution:
This is expected behavior when there are no Sites Groups synchronized to CA Performance Management from the Network Flow Analysis (NFA) data source. 

The appearance of the Inventory -> Sites menu choice is tied to NFA data source Sites. The appearance of that Inventory menu choice is driven by the population of the t_site and dst_site tables in netqosportal database. 
The only Sites that are written to the t_site and dst_site tables are those contributed by the NFA data source. 

Site group types created within the CAPM Manage Groups page are only written to the t_group and dst_group database tables, not the t_site or dst_site groups. 

As a result, the following is the expected behavior: 
- The Inventory->Sites menu option only appears when Sites are created in NFA, and NFA data source is synchronized to CA PC. 
- Site group types created in CA Performance Manager are not directly equivalent to Sites created in NFA and thus are treated differently. 
- The Inventory->Sites menu option only contains Sites synchronized to CAPM from the NFA data source 
- Use the default Site list type View in a Dashboard to list all Site based groups created in CAPM but it will not list Sites contributed from the NFA data source. 

In summary: 
- CAPM generated Site group types are only visible in the CAPC Dashboards and Views (e.g. Network Performance ) other than the Inventory->Site option 
- NFA synchronized Sites are only visible via the Inventory -> Site menu option