After installing a secondary hub, it is not shown in the tree under the primary hub in Infrastructure Manager (IM) and/or Admin Console (AD).
Release: CNMSPP99000-8.51-Unified Infrastructure Mgmt-Server Pack-- On Prem
* Access the hub probe GUI in the primary hub
* Access the Name Services tab
* In the Static Hubs area click New and add the IP or Name of the secondary hub
* Save the changes