In the Jira documentation, page "Migrating JIRA to Another Server' the following is stated in section 4, post migration checks:

"ensure that the production license is updated for the new server ID"

However, if i export and import data from an existing system, the server ID and licenses appear to come with the data in line with the description on this page:

https://confluence.atlassian.com/pages/viewpage.action?pageId=151519275

I am now unsure as to whether to generate a new server Id or not. I am planning to move from a 10 user license to 25 user license and think I should use the same server id