Default Setting SharePoint display Logged-in user name as Welcome UserName. I have create Custom UserControl (name CustomWelcomeUser.ascx) 1. Go go C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\CONTROLTEMPLATES then create new folder name "CustomWelcome" 2. Go go CustomWelcome then create New Custom UserControl name "CustomWelcomeUser.ascx"