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Posted on 2002-03-20
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Last Modified: 2013-11-20
please tell me how to prevent CTRL-ALT-DEL in windows2000.

thanks/
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Question by:can9999
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9 Comments
 
LVL 23

Expert Comment

by:Roshan Davis
ID: 6881990
Try RegisterHotKey

GOOD LUCK
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LVL 23

Expert Comment

by:Roshan Davis
ID: 6882001
Windows NT 5.0 introduces the ability to remove the necessity of pressing Ctrl-Alt-Del, the Security Attention Sequence (SAS) to logon. By default on a workstation this is no longer needed however on a server it is still necessary but this can be configured with a single registry entry.

Start the registry editor (regedit.exe)
Move to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Double click on DisableCAD (create of type REG_DWORD if it does not exist)
Set to 1 if you don't want to have to press Ctrl-Alt-Del, and set to 0 if you do. Click OK
Close the registry editor
Reboot the machine
Disabling this feature does not decrease the security of Windows NT. To gain access to the computer, users are required to log on to Windows NT with a valid user name and password. The Windows NT logon process suspends all other user-mode processes to protect the logon process and is the only process that can create the access tokens used by the Windows NT security system.

This can also be set via a GUI on Windows 2000 Professional as follows:

Start the Users and Passwords control panel applet (Start - Settings - Control Panel - Users and Passwords)
Select the Advanced tab
Unselect "Require users to press Ctrl-Alt-Delete before logging on."
 
Click Apply then OK
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LVL 1

Author Comment

by:can9999
ID: 6882008
thanks roshmon ,but..

I want to program it with MFC.

I'd programed it with SystemParametersInfo ...

But it doesn;t work in win2000..

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Accepted Solution

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Roshan Davis earned 800 total points
ID: 6882037
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LVL 1

Author Comment

by:can9999
ID: 6882045
it doesn't work in win2000..

it may be some difference win2000 and winnt 5.0
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LVL 23

Expert Comment

by:Roshan Davis
ID: 6882051
No. NT 5.0 is Win 2000
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