In AC Console - Enterprise View - Report Server: Gets a Red X on the Report Server sub-component.
The IIS component will randomly swap between a Red X and a green check mark.
When adding SSRS to Analysis Center, you need to use a "$" instead of an underscore to separate between the servicename and service.
Highlighting the Report Server gives a warning: 'Cannot open Report Server service on computer
This will occur when a non-default instance of SSRS service name and service are incorrectly applied in Analysis Center.