1| Regarding the failure to log in, can you share additional details?
2| Also, if there is a problem, open a ticket with TAC to solve the issue before moving to a new Security Management Server.
3| If you still decide to move to a different Security Management Server, why not install R81.20?
4| The message states that the 15-day initial Trial Period license has expired, and you need to use a real license to work with the system. It is important to contact your Partner or Reseller to order the license.
5| Another option would be to move the license from your older Security Management Server to the new one. You can generate the license (including changing the IP if needed) through your UserCenter account.