Use the Host Name section to specify or change the name of the CFA that serves to uniquely identify it within the specified domain.

This is the same name specified during the Quick Start Wizard.

Short Name
Name, by which the rest of the network devices refer to the CFA. It can contain only alphanumeric characters and hyphens, for example backup-1. Hyphen can’t be the first or the last character in the name. Maximum length is 63 characters.
Domain Name
Name of your network domain. It can contain only alphanumeric characters, periods, and hyphens, for example backup.your-domain.com. Hyphen can’t be the first or the last character in the name. Can’t contain two or more periods in a row.