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Require Users to Press Ctrl + Alt + Delete Greyed Out in Windows 10

''I just want to enable secure logon in Windows 10, but the 'Require users to press Ctrl + Alt + Delete' checkbox in User Accounts is greyed out, it won’t let me check it. How could this be and how can I resolve this problem?''

require users to press ctrl+alt+delete greyed out

It’s likely because the default security policy is changed, or caused by other problems on your PC. You won’t check or uncheck the grey 'Require users to press Ctrl + Alt + Delete' option in the advanced User Accounts, but you still can enable or disable this feature through Security Policy or Registry Editor.


Way 1: Enable 'Require users to press Ctrl + Alt + Delete' using Security Policy

Step 1: Open the Local Security Policy Editor in Windows 10, through running "secpol.msc" in the Run dialog (Win + R).

type secpol.msc in run

Step 2: In the left pane of the Local Security Policy window, expand Security Settings -> Local Policies, and select Security Options. With the Security Options selected, look for the policy named "Interactive logon: Do not require CTRL +ALT + DEL", and double click it to change its properties.

double click this policy

Step 3: This policy’s properties window opens. With the Local Security Settings tab selected, select Disabled, and click Apply followed by OK.

select disabled

Through the Local Security Policy, you can enable or disable Secure Logon. Next time the user requires pressing Ctrl + Alt +Delete before he can sign in to Windows 10. But the 'Require users to press Ctrl + Alt + Delete' option in the User Accounts is still greyed out.

Way 2: Enable 'Require users to press Ctrl + Alt + Delete' in Registry Editor

Step 1: Open the Registry Editor in Windows 10, through running regedit in the Run dialog.

type regedit in run

Step 2: In the left pane of the Registry Editor, navigate to the key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System. Then on the right pane, you will see an entry named DisableCAD. Double click this entry to change its value data.

double click DisableCAD

Step 3:  Change the value data from 1 to 0, and click OK.

change value data to 0

Next time the user requires pressing Ctrl + Alt + Delete before he can sign in to Windows 10. Through Registry Editor, you also can enable or disable secure sign-in, but the 'Require users to press Ctrl + Alt + Delete' checkbox in User Accounts is still greyed out.