Log in to the Communication Manager System Management Interface (SMI) with administrator privilege user credentials.
On the Administration menu, click Server (Maintenance).
In the left navigation pane, click Server Configuration > Network Configuration.
SMI displays the Network Configuration page.
Enter the hostname and click Change.
Note:
If a backup is created with a hostname containing an underscore (_) character, then the backup is not restored on any Communication Manager. Ensure you have a valid hostname before creating a backup.
