Senaste svaret från dem:
"Your site is in a legacy environment, and running end of life software, the next step here is to upgrade the site, get it moved into our new cloud, then assess the traffic in a controlled environment.
Please let us know which to use, display names or user names?
The question about user names or display names needs you to choose one or the other, not "yes".
Would you like to retain User Name -or- Display Names, please?
Support and Cloud Manager
Invision Power Services, Inc."