Select the system in the Systems tree and select “Add connector” in its contextual menu, choose MSSQL type.
Fill in the connector parameters:
Title The display name of the connector
Host: The hostname or IP address of the database host
Port: The port of the database service
Database name: The database to connect to
User: The user profile to use for the connection
Properties: Optional properties to add to the connection parameters (separated with semicolon (;)
Press Save & Test to save the profile and check the connection is working