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Is there a VNC Client for OS X that can send Ctrl+Alt+ Delete? I've googled, searched have not found. I frequently VNC into Windows machines and need to send this key combo in order to log in.

  • Off topic: I recommend using NoMachine as remote desktop solution. It runs waay faster than VNC service and also has possibility to send CRLT+ALT+DEL to Windows server (unfortunatelly from menu like in @Dave answer). – Mateusz Szlosek May 14 '14 at 18:29
3

iTeleport is my VNC client of choice, and does precisely this.

enter image description here

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18

The built-in Screen Sharing application on OS X is a VNC client that can send Ctrl-Alt-Del:

Laptop keyboard: fn+control+command+delete

Full-size keyboard: control+option+delete

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  • I'll note that, for a full-sized Apple keyboard connected to a laptop, the full-size keyboard command sequence fails. Just issuing the laptop keyboard sequence on the laptop itself was the solution (since there's no fn key on my full-sized Apple keyboard). – jamesnotjim Oct 1 '19 at 15:03
8

If you are using a Mac and screen sharing on a Windows machine, use fn+ctrl+option+delete.

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6

Apple Remote Desktop can send Control Alt Delete:

If you use Remote Desktop to administer a PC that's running VNC, you may be wondering how to send the Ctrl-Alt-Del command (Control-Alternate-Delete) from a Mac to the PC. Though Mac and PC key mapping differs, you can use an alternate key combination in Remote Desktop 2.0 and later to send the command.

For full-size (desktop) keyboards, use Control-Option-Forward Delete.

http://support.apple.com/kb/TA22781

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  • 3
    Here's how to send Control-Alt-Delete on a OSX laptop or compact keyboard: fn-control-command-delete. – Sparky1 May 14 '14 at 22:59
6

After a day of trials this worked for me FnControl Option Delete

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1

Here is an alternative. This worked for me in a slightly different and more complicated setup (connecting from a Mac to a Linux server through SSH and then from the Linux server to a Windows Server 2016 server through Remote desktop protocol using the rdesktop Linux RDP command line client).

In Windows:

  1. Click Start menu
  2. Click in the search bar
  3. Type "powershell"
  4. In the search results, click "powershell.exe"
  5. In the PowerShell shell that opens, type the following:

    Powershell -noprofile -nologo -noninteractive -command "(new-object -ComObject 
    shell.application).WindowsSecurity()"
    

If PowerShell is not available, instead search for "cmd.exe" and in the cmd prompt, type:

explorer shell:::{2559a1f2-21d7-11d4-bdaf-00c04f60b9f0}

Taken from: https://social.technet.microsoft.com/Forums/ie/en-US/9c2ea402-087a-40a0-83de-170b49fdaac5/how-to-change-password-in-rdp-session?forum=winserverTS

Note: if your Mac keyboard layout is not English US, it might be hard to get the {, } characters in cmd.exe. In that case try the following:

  • Change you keyboard layout on your Mac to English US (use System Preferences)
  • In X11's preferences, check "Use system keyboard layout"
  • In Windows, make sure to also set the keyboard layout to English US.
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  • How does this solve the Ctrl-Alt-Del issue described in the question? And what role does X11 play in all this? – nohillside Mar 20 at 18:32
  • this has the effect of emulating Ctrl-Alt-Delete, so whatever the OP wanted to do by typing Ctrl-Alt-Delete (eg. changing his/her password in a corporate environment) can then be achieved. However I agree that if ctrl-al-del is needed to login then it might not be a good answer – philb Mar 20 at 19:02
  • Ah. And how does X11 play a role in this? There is no X11 on macOS usually – nohillside Mar 20 at 19:26
  • As I wrote, my setup is mac--(ssh -X)-->linux--(rdesktop)-->windows, so since rdesktop opens a graphical window it shows up as a X11 window on mac – philb Mar 20 at 19:28

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