Ctrl+Alt+Del for Windows to Windows

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    I am running Windows 7 Professional 64-bit. I have been trying for a few hours now banging my head against the wall trying to figure out why I cannot send Ctrl+Alt+Del sequence to a Windows Server 2008 R2 64-bit machine which requires CTR+ALT+DEL to be pressed before logging on.

    I have gone over the settings, updated from 4.0.369_free to 4.1.29_free and NO luck. Not even with “Grab the keyboard input” enabled. I have even tried Crtl+Alt+Ins and CTRL+ALT+SHIFT+DEL to no avail. All I keep reading is that it has been implemented but I do not see it.

    The host server was even updated to newest version 4.1.29 but still when I press CTRL+ALT+DEL all it does is pass it to the localhost rather then to NoMachine Connection.

    Best Regards,


    Doc, check this article…



    I have been trying for a few hours now banging my head against the wall trying to figure out why I cannot send Ctrl+Alt+Del sequence to a Windows

    Next time, instead of screaming or banging your head against the wall, spend 5 minutes at searching the Internet or the NoMachine Knowledge Base. Windows doesn’t allow intercepting the Ctrl+Alt+Del for security reasons, so doing this from the keyboard is impossible by design.

    Feel free to suggest how we can improve the user experience. We would love to make a search unneeded but so far nobody here came with a good idea on how to do it.



    This is an idea: we know when Windows enters the login screen so we can insert a hint panel similar to the welcome panels we display at startup. Would this be sufficient to save your head?


    I am having the exact same error. Win 7 x64 connecting to server 2012, just downloaded NoMachine.

    Yes I read https://www.nomachine.com/AR02L00784 and clicking the icon does nothing.

    Can’t send a cntl+alt+del = can’t login.

    Everybody else seems to use a macro for it cntl+del, cntl+alt+ins, cntl+alt+end… Have you thought of that?

    Or how do I get the icon to do something?


    We’ve opened a Trouble Report: https://www.nomachine.com/TR03L04302



    Any update on this issue? I’m running the Linux client (ubuntu 12.04) and when I connect to a windows server 2008 test VM it doesn’t even have the “special keys” button shown here:  https://www.nomachine.com/AR02L00784.  Button doesn’t exist.

    As a workaround i found I could “attach” my local USB keyboard to the remote server and hit CTRL-ALT-DEL that way, which is neat, but very ugly as it makes switching focus between local and remote system totally suck.  I’m evaluating NoMachine for my company and it’s a show-stopper if CTRL-ALT-DEL doesn’t work properly as it does in other remote desktop solutions.


    A Trouble Report has been opened: https://www.nomachine.com/TR04L0437 Follow the link to sign up to receive notification of the fix.

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