XP Allows Usernames to be Hidden from the Logon Screen

by Wayne Maples [Published on 20 April 2004 / Last Updated on 20 April 2004]

Windows NT / Windows 2000 and Windows XP has a security setting to hide the last logged onto account. The hack to block the last logged onto account is found in Registry Tip #70. Windows XP adds the ability to hide accounts from the Logon dialog:

Key: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList

The UserList normally contains special accounts like the IUSR and IWAM accounts but you can add normal accounts to have them hidden from the Logon dialog list. For example, to hide my account Wayne Maples , I would add a subkey to UserList of type REG_DWORD named Wayne Maples with a value of 0.

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