Disable Windows NT alt-ctrl-del dialog buttons

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

You can control what appears during Windows NT security dialog box using the following Windows NT registry hack:

Disable Lock Workstation button:
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\System
Name: DisableLockWorkstation
Type: REG_DWORD
Value: 1 disable

Disable Task Manager button:
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\System
Name: DisableTaskMgr
Type: REG_DWORD
Value: 1 disable

Disable Change Password button:
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\System
Name: DisableChangePassword
Type: REG_DWORD
Value: 1 disable

Disable Logoff button:
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\Explorer Note: change from System to Explorer
Name: NoLogoff
Type: REG_DWORD
Value: 1 disable
Note that the NoLogoff diable logoff option from the Security dialog and from Start menu.

Disable Shutdown button:
Hive: HKEY_CURRENT_USER
Key: Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Name: NoClose
Type: REG_DWORD
Value: 1 disable

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