By default, the operating system root password is unitrends1.
1 Access the root password step in the Setup Wizard, or select Settings > System, Updates, and Licensing > OS Password.
2 Enter the current password in the Current OS Root Password field.
3 Enter the new root password into the New OS Root Password and Confirm New OS Root Password fields.
4 Click Next to save the settings and continue with the Setup Wizard, or click Confirm to save settings in the OS Password subsystem.