1. Log into WHM.
2. Go to Server Configuration > Change Root Password menu.
3. Enter the new password in New root Password and Confirm Password fields (you may use built-in Password Generator option to create a strong password).
4. Once done, click the Change Password button:
NOTE 1: We recommend choosing a strong password and updating it regularly. Your password must be at least 8 characters long and contain at least 1 uppercase character, 1 lowercase character, 1 number and symbol.
NOTE 2: Changing password via WHM doesn’t require server reboot.