We haven't any limitation from the hosting company, before write here I double checked it.
Forum engine write me, that my license key not entered, press here and enter your key. Big red message in top of admin area. I logged to my customer are, purchase a key, and trying to enter it, and got a problem that "problems to connect server, try again later".
We have dedicated server on leaseweb and haven't any IP blocks. IP.Board 3 © 2022 IPS, Inc.