Alternate Access Mappings Custom zone URL does not work for Site workflow inventory
When accessing the site workflow inventory page to manage workflows, the default zone (Intranet) of the AAM setting of a web application is used instead of the custom zone where the site is being accessed from.
This has been fixed in the April 2018 release of Nintex Workflows. Update to the latest version of the product. Product downloads
This issue can also cause the following error: "This server is not licensed. The server name is..." Accessing Forms or Workflow Designer