Description
After CMDB and Visualizer are upgraded from 11.1 to r11.2, when launching the Visualizer Admin Console, an error message "Connection to the server refused" appears, and cannot get Admin Console screen.
Solution
The problem might be caused that the following tree tables related to Visualizer are empty.
Vis_configuration
Vis_object_store_criteria
Vis_object_store_master
NOTE: Please take backups before you proceed.