This cmdlet performs the following operations 1. Adds a new application server security group to the DirectAccess deployment ...

This cmdlet performs the following operations
1. Adds a new application server security group to the DirectAccess deployment
2. Adds an application servers to an application server security group that is already part of the DirectAccess deployment  
3. Adds application server Group Policy Object in a domain
This cmdlet is not applicable when DirectAccess is deployed only for the management of remote clients