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I need to send a CtrlAltDelete to a remote machine through Remote Desktop. The CtrlAltDelete is being intercepted by Windows 8, regardless of whether the remote desktop has focus or is in full screen. I'm remoting in to a Windows XP machine, and I've tried launching Remote Desktop through both the desktop and the Modern UI. How can I send a CtrlAltDelete?

I'd rather not install anything on the machine.

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Is this through mstsc? or through the new Mondern-UI app? –  Jared Tritsch Oct 25 '12 at 17:13
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The special thing about Ctl-Alt-Del is that it's intercepted by the BIOS (hardware) at the local machine. So you can't actually send that. You would have to use some other key combination and send some kind of "reset" command to the remote machine. –  Keith Oct 25 '12 at 17:16
    
@JaredTritsch They seem to spawn the same thing. –  Tanner Oct 25 '12 at 17:17
    
@Keith This was possible in Windows 7. –  Tanner Oct 25 '12 at 17:18
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What is the end goal that you need to achieve by sending CTRL+ALT+DEL ? –  frozenkoi Oct 25 '12 at 22:15
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10 Answers

up vote 84 down vote accepted

Try using Ctrl+Alt+End instead. This will bring up the Task Manager.

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Good idea and very handy! However in this particular instance I need a real Ctrl+Alt+Delete. This might end up being all I get though. –  Tanner Oct 25 '12 at 17:07
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I was under the impression that the result would be a "real Ctrl+Alt+Delete". What's missing? –  William Jackson Oct 25 '12 at 17:15
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What if you RDP into machine 1, and then use machine 1's RDP to remote desktop into machine 2. How do you ctrl+alt+del machine 2? –  user785179 Mar 26 '13 at 23:37
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@edymtt Just saw this comment... It's Fn+Right for the End button –  Canadian Luke Jun 21 '13 at 16:18
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@user785179 on the first RDP session bring up the on screen keyboard applet, and click on the second (inner) RDP session, then click back to the keyboard and press CTRL ALT END with your mouse, which should send CTRL ALT END to the second RDP session. Convoluted, but just got me out of a jam –  Matthew Lock Jul 17 '13 at 8:11
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In remote desktop(mstsc), you will need to press Ctrl+Alt+End to send Ctrl+Alt+Delete to the remote server.

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You can also try installing Autohotkey on the server, and create a key binding that works to send Ctrl+Alt+Delete without Windows 8 intercepting it. A mini-tutorial is available as well

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It isn't a very quick or graceful solution, but if Ctrl+Alt+End doesn't work for what you need, you can open the on-screen keyboard in the remote desktop, and click the Ctrl+Alt+Delete keys with the mouse.

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doesn't work with Windows-8 (I'm not talking about RDC). On your Windows 8 system, hitting Ctrl + Alt + Del on would thrown a message asking you to use your mouse and click on the user tile:) –  AbhishekGirish Oct 25 '12 at 17:15
    
@GrahamWager actually suggested this in chat. Unfortunately, it doesn't work. –  Tanner Oct 25 '12 at 17:16
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On a Mac, running OSX, try fn+ctrl+alt+delete

This works with Microsoft Remote Desktop client for OSX.

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It is CTRL + F1 for people using Citrix.

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Hope it will help for Windows 8 too.

Problem

Unable to use Ctrl+Alt+Del feature on remote desktop running Vista OS/ Windows 7/ Windows 2008.

Cause

Problems to use Ctrl+Alt+Del feature on remote desktops running Vista OS/ Windows 7/ Windows-2008 may occur due to one or more of the following reasons:

  1. User Access Control(UAC) is disabled in the remote machine running Vista OS/ Windows 7/ Windows 2008.

  2. Secure Attention Sequence(SAS) is disabled in the remote machine running Vista OS/ Windows 7/ Windows 2008.

Resolution

Enable UAC in the Remote Desktop running Vista OS/ Windows 7/ Windows 2008

Goto Start → Run → type msconfig. This opens the System Configuration Window.

Click on Tools tab.

Locate and Click

on "Enable UAP" or "Enable UAC" option item. This opens a Command Prompt window that automatically executes and runs certain process to Enable UAC.

Close the cmd window when done. Also close msconfig window.

Restart the computer for the changes to apply.

Set the Policy :

Execute Gpedit.msc from Run prompt.

Goto "Computer Configuration" -> "Admin Templates" -> "Windows Components" -> "Windows Logon Options"

In Windows LogOn Option , double click "Disable enable software Secure Attention Sequence" Select "Enable" option and "Services and Ease of Access application"

Click OK.

Source

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What if remote machine is not running windows? –  Andrey Regentov Mar 11 '13 at 8:36
    
Good question, I never thought about it. I think in that situation we have to find another solution. :) –  avirk Mar 12 '13 at 3:35
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"Disable enable software Secure Attention Sequence" Select "Enable" - had to read that 3 times to understand it! –  Graham Wager Sep 19 '13 at 11:22
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When logged into the remote Windows PC, right-click on the bar the bottom, which will bring up a number of options and one of them is "Show Task Manager". Hope this helps.

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CRTL+SHIFT+ESC, process manager skips that window.

In the run window for rebooting a windows server:

Shutdown -r

For shutting down:

Shutdown -t
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Click inside the remote screen first and click on Ctrl+Alt+Del to bring the task manager.

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This sends CTRL ALT DEL to the local computer not the remote screen –  Matthew Lock Jul 17 '13 at 8:11
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