You must enable a protocol and configure it before users can use the protocol for authentication. For security purposes, you must enable only the required protocols that you will use for authentication.
Click Devices > Identity Servers > Edit.
In the Enabled Protocols section, select the required protocols to enable.
To disable a protocol, deselect it.
Click OK.
(Conditional) If you have enabled a protocol, update Identity Server.
(Conditional) If you have disabled a protocol, stop and start Identity Server.
Select Identity Server and click Stop.
When the health turns red, select Identity Server, and click Start.
Repeat the process for each Identity Server in the cluster.