In this article, I’ll show you how to change the hostname of a Vmware ESXi 6.5 Host using the Web Client management console.
With the release of Vmware ESXi 6.5 and vSphere Vmware discontinued Installed vSphere Console and all management Is done using the Web Client or PowerCLI.
To change the hostname, Login to ESXi Web Client using https://ip_address
Note: If your host Is part of a cluster, you will need to take it out of the cluster first.
In Web Client Click on Networking -> Default TCP/IP stack -> Click in Default TCP\IP Stack -> Edit Settings
In the TCP/IP configuration settings tick the Manually… and set the hostname
Click save and you are done.