Network Licence Manager (NLM) uses cascading, in which NLM automatically switches or substitutes licences according to a ranking hierarchy. NLM uses lower-ranking licences whenever possible. It uses higher-ranking licences only when necessary. For example, NLM uses higher-ranking licences when a customer is running two or more suite products or when all lower-ranking licences are in use. During this process, NLM surveys licence usage every two minutes. As it surveys, it redistributes licences among customers and retrieves licences that have been unused for longer than the allowed time-out period.
NLM consumes licences in this order:
- Multi-user licences for a product
- Perpetual and maintenance licences
- Licences for industry collections that include the product
- Finally, licences for design and creation suites that include the product, if available. (Note: This applies only to customers who have LT suites or old perpetual licences.)
Licence cascading is most effective in a large user group when NLM has a pool of different licence types available for distribution. For example, suppose that the pool includes product-specific licences for several products, licences for an industry collection and licences for a suite. In this case, NLM has many options for determining the most efficient way to manage the licences. If a customer runs multiple products, NLM can assign single-product licences as individual products start up and replace them with an industry collection or suite licence.
You can disable cascading for product releases 2016 and later. Set the value of the environment variable ADSK_CASCADING_OVERRIDE to 0 (a setting of 1 enables cascading). This setting applies across all products.
Important: Cascading is essential for suite licensing. Don't disable cascading for suites.