This article applies to 123-reg servers running Plesk.
This article will explain how you can change the Hostname of your 123-reg server running Plesk
Please select the version of Plesk you are using below.
Login to your Parallels Plesk Panel.
Click on the Settings link on the left panel.
Click on the Server Settings icon.
Enter the desired hostname in the Full Hostname field.
Click on the Ok button.
You have now changed your hostname.
Click on the Tools & Settings link on the left panel.
Click on the Server Settings link under General Settings.
Watch the content of this article for changes.