This article applies to 123-reg VPS hosting running cPanel
This article will explain how you can change the host name of your 123-Reg VPS using cPanel.
1
Login to cPanel WHM interface.

2
Click on the Networking Setup link.
3
You can then click on the Change Hostname link.
4
Ensure that you follow the instructions given when entering you new Hostname, then click the Change button.
Your 123-Reg VPS Hostname will now change.