Hi, This looks like issue with networking config. Could you please check on the routing configs, firewall routes etc to make sure destination IP to 9092 is added in the Azure console?
Hi, Could you also please try to add users through account console if Identity Federation is enabled? Refer: https://docs.databricks.com/en/administration-guide/users-groups/users.html#assign-a-user-to-a-workspace-using-the-account-console
