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Connecting a hardware security module (HSM) to a new server may require additional steps that are not covered by these instructions. Check the HSM documentation and verify that it supports Ubuntu 18.04.
- Ensure that the current current central server's software is updated to version 6.20.0/1 or 6.21.0.
- Review the Central Server Installation Guide.
- If you are upgrading a cluster, review the Central Server High Availability Installation Guide
On the current server, use the admin UI to take a backup of the central server configuration and download it to a safe location.
- Note that the backup does not include X-Road admin user account(s).
- In a clustered setup, take a configuration backup from each node.
- Prepare to update your network configuration.
- After the upgrade, you may need to change the upgraded server's IP address(es) to match the old addresses and/or update DNS, firewall, NAT, or other network configuration so that security servers and configuration proxies can reach the upgraded server.
- The exact steps depend on your network setup and are not covered in this guide.
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