Retrieving product license information
Products can have desktop, named users, concurrent users, and servers licenses. To retrieve all license information for a specific product run this command:
SlmCmd -product <product-id>
          The example shows how to retrieve license information for product ID 88: 
          
        C:\>SlmCmd -product 88
Retrieving license info from license-server.
        Product-ID      : 88
Result:
        Named User
        Number of light licenses: 10
        Number of heavy licenses: 20
OK