The Active Directory Topology service on server '{0}' is hard-coded to use these Active Directory global catalog servers: ...

The Active Directory Topology service on server '{0}' is hard-coded to use these Active Directory global catalog servers: '{1}'. This configuration isn't recommended because it has limited failover options. Having multiple domain controllers configured is recommended for redundancy. Click 'get help fixing this issue' in the actions pane located on the right side of the screen for assistance.