In tips 050, 070, and 215, I documented desktop and system feature restrictions.
Additional system feature restrictions are available with SP4 by adding REG_DWORD values at:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
1. To disable the Lock Workstation button, Add Value
DisableLockWorkstation
0, the default, leaves it enabled.
1 disables the Lock Workstation button
2. To disable the Change Password button, Add Value
DisableChangePassword
0, the default, leaves it enabled.
1 disables the Change Password button
3. To disable the Task Manager button, Add Value
DisableTaskMgr
0, the default, leaves it enabled.
1 disables the Task Manager button