For a DualShield MDM server and a DualShield Authentication Server (DAS) to work together, the DualShield Authentication Server must be registered in the DualShield MDM Server.
From the point of the DualShield MDM Server, a DualShield Authentication Server is a MDM client.
In the Admin Console of the DualShield MDM Server, navigate to Clients
Press the "Create Client" button
Before you close this message, you MUST take a copy of the Client ID and Secret, as they will not be retrievable again.