Changing a cPanel username requires root access to WHM. This action updates the system username associated with the account.

⚠️ Important: Changing the username may affect file paths, email accounts, database connections, and application configurations. Always take a full backup before proceeding.

Before You Start

Make sure you have:

• WHM root access

• Full account backup

• Access to update application configuration files if needed

Method 1: Using WHM (Recommended Method)

Step 1: Login to WHM

1. Access WHM using:
   https://your-server-ip:2087

2. Login as root.

Step 2: Search for “Modify an Account”

1. In the WHM search bar, type:
   Modify an Account

2. Click on it.

Step 3: Select the Account

1. Select the account/domain for which you want to change the username.

2. Click Modify.

Step 4: Change the Username

1. Locate the Username field.

2. Enter the new username.

   • Must be unique

   • Usually 8 characters maximum (depending on server configuration)

   • Lowercase letters and numbers only

3. Click Save.

WHM will process the username change.