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I have an old program from 2010 which uses the HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\Winlogon\SpecialAccounts\UserList key. You can add DWORD values under that key. The program works on Windows Xp (5.1). Now my question is: What values are possible DWORD values for that value and which purpose do they have?

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The program uses the value of 65536. –  Norbert Willhelm Jul 11 '13 at 18:44

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The accounts listed at this location in the registry are hidden from the Windows home/logon screen.

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Yes, that is correct. But what values are possible DWORD values for an entry under that key? –  Norbert Willhelm Jul 17 '13 at 18:30
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there is example use of it here charlesgallery.blogspot.com/p/computer-hidden-tricks.html . Better example here top-password.com/blog/… –  Psycogeek Jul 22 '13 at 0:52
    
Yes but these examples don'texplain what meaning a value of 65536 has. And my program used the value of 65536. –  Norbert Willhelm Jul 22 '13 at 17:03
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There are three possible DWORD values in total: The value of 0 hides the user account from the welcome screen. However the user account is still visible under the control panel. The value of 1 shows the user on the welcome screen. The last possible values is 65536 (0x10000). That value hides the user account as well from the welcome screen as well as from the control panel.

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