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Ensure that the X-Road software is at version 7.2.0
On the old server, use the admin UI to take a backup of the security server configuration and download it to a safe location.
Note that the backup does not include X-Road admin user account(s) or
/etc/xroad.properties(database admin credentials; needed when using a remote database). You need to take care of moving these to the new server manually. More about remote database credentials could be found in Security Server Installation Guide for Ubuntu: 2.6 Remote Database Setup
In order to route traffic to the new server after the upgrade is complete, prepare to update your network configuration.
After the upgrade, you may need to change the new server's public IP address(es) to match the old public addresses and/or update DNS, firewall, NAT, or other network configuration so that other security servers and your information systems can reach the new server. The exact steps depend on your network setup and are not covered in this guide. Note that if the publicly visible IP address of the upgraded security server changes, you may need to contact your X-Road Instance operator and/or other members for firewall rule changes.
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