KB1905: Change Managed Server Name/FQDN/IP in Veeam …
https://www.veeam.com/kb190522.07.2014 · Replace old-name with the "Name" currently set for the Managed Server in the Veeam Backup and Replication Console. Do not remove the quotes on either side. Run the following command next to change the name: $Servers .SetName ( "new-name") Replace new-name with the new name for the Managed Server; this can be an IP, Hostname, or FQDN.