Go to the "Backups" section of your ISPmanager Control Panel to configure backups.
Click "Settings".
Required to settings out a form.
Select "FTP" in the "Storage type" field
Your backups are stored on the backup server. Each virtual server has its own FTP account to the backup server.
FTP connection data is sent in the activation mail of your server or you can see it in your Client Area.
Specify "backup.vps-dns.info" in the "server address" line.
Leave the lines "FTP port" and "Path to backups" unchanged.
In the "User" and "Password" lines, enter the data from your Client Area ("FTP to Backup-server" item).
Click "Save".