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The Actions menu has Ctrl+Alt+Del (grayed out), Remote reboot (with all options grayed out), Disable remote input (not checked), and Show black screen (grayed out). At this point, I can't even log out of the remote machine, just close the local TeamViewer. How do I get mouse control back? At the bottom of the Window there is a checkbox for 'Require users to press Ctrl+Alt+Delete'. If you remove that check, the machine never brings up the Ctrl Alt Del Window when users login. For some reason I'm not able to do that on one of our machines. When I get to that screen the option is grayed out. When connected to a remote Windows system, the Ctrl+Alt+Del keyboard command will open the screen with Lock, Task Manager, Sign out, and related options. When connected to a remote Mac machine, the Ctrl+Alt+Del keyboard command will open the 'Force Quit Applications' window. To send the Ctrl+Alt+Del command, Launch the RemotePC application. The 'Shutdown' button may not be available in the Start menu and grayed out when you press Ctrl+Alt+Del. This issue is due to the Local Computer Policy settings. Now that the computer is set up to use Wake-on-LAN, you need a program that can send the magic packet required to instigate the startup. TeamViewer is one example of a free remote access tool that supports Wake-on-LAN. Since TeamViewer is made specifically for remote access, its WoL function is handy when you need into your computer while away.

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Applies to

• Windows 10

Describes the best practices, location, values, and security considerations for the Interactive logon: Do not require CTRL+ALT+DEL security policy setting.

Reference

This security setting determines whether pressing CTRL+ALT+DEL is required before a user can log on.

If this policy setting is enabled on a device, a user is not required to press CTRL+ALT+DEL to log on.

If this policy is disabled, any user is required to press CTRL+ALT+DEL before logging on to the Windows operating system (unless they are using a smart card for logon).

Microsoft developed this feature to make it easier for users with certain types of physical impairments to log on to device running the Windows operating system; however, not having to press the CTRL+ALT+DELETE key combination leaves users susceptible to attacks that attempt to intercept their passwords. Requiring CTRL+ALT+DELETE before users log on ensures that users are communicating by means of a trusted path when entering their passwords.

A malicious user might install malware that looks like the standard logon dialog box for the Windows operating system, and capture a user's password. The attacker can then log on to the compromised account with whatever level of user rights that user has.

Teamviewer Send Ctrl Alt Del Greyed Out Mac Shortcut

Possible values

• Enabled
• Disabled
• Not defined

Best practices

• We recommend that you set Disable CTRL+ALT+DEL requirement for logon to Not configured.

Location

Computer ConfigurationWindows SettingsSecurity SettingsLocal PoliciesSecurity Options

Default values

The following table lists the actual and effective default values for this policy. Default values are also listed on the policy’s property page.

Server type or GPO	Default value
Default Domain Policy	Not defined
Default Domain Controller Policy	Not defined
Stand-Alone Server Default Settings	Disabled
DC Effective Default Settings	Disabled
Member Server Effective Default Settings	Disabled
Client Computer Effective Default Settings	Disabled

Policy management

This section describes features and tools that are available to help you manage this policy.

Restart requirement

None. Changes to this policy become effective without a device restart when they are saved locally or distributed through Group Policy.

Policy conflict considerations

Beginning with Windows Server 2008 and Windows Vista, the CTRL+ALT+DELETE key combination is required to authenticate if this policy is disabled.

Group Policy

This policy setting can be configured by using the Group Policy Management Console (GPMC) to be distributed through Group Policy Objects (GPOs). If this policy is not contained in a distributed GPO, this policy can be configured on the local computer by using the Local Security Policy snap-in.

Security considerations

This section describes how an attacker might exploit a feature or its configuration, how to implement the countermeasure, and the possible negative consequences of countermeasure implementation.

Teamviewer Send Ctrl Alt Del Greyed Out Mac Os

Vulnerability

This setting makes it easier for users with certain types of physical impairments to log on to devices that run the Windows operating system. However, if users are not required to press CTRL+ALT+DEL, they are susceptible to attacks that attempt to intercept their passwords. If CTRL+ALT+DEL is required before logon, user passwords are communicated by means of a trusted path.

If this setting is enabled, an attacker could install malware that looks like the standard logon dialog box in the Windows operating system, and capture the user's password. The attacker would then be able to log on to the compromised account with whatever level of privilege that user has.

Countermeasure

Disable the Interactive logon: Do not require CTRL+ALT+DEL setting.

Potential impact

Unless they use a smart card to log on, users must simultaneously press the three keys before the logon dialog box is displayed.

Related topics

HELP FILE

Use the GoToAssist Expert Desktop App (Mac)

Agents can download and install the GoToAssist Expert desktop application for Mac to host attended and unattended support sessions with customers on their computer. Once installed, agents can launch the application to see the GoToAssist Viewer , where they can see the customer's screen and use the options in the Viewer toolbar to support customers.

Once the GoToAssist Expert desktop application is installed, it will automatically launch. The desktop app is made up of 2 basic components, as follows:

• Use the Viewer window and its features.
• Use the Application menu and its features.

Teamviewer Send Ctrl Alt Del Not Working

Use the Viewer window

The Viewer window is the main application window of the GoToAssist Remote Support software. It features a persistent toolbar along the top of the GoToAssist application window that allows agents to use all the available session tools, as well as options in the Application menu.

Use the Application menu

Teamviewer Ctrl Alt Del Greyed Out

Mac agents can find and open the application to access an additional menu in the top navigation called the Application menu, which includes the options listed below. Please note that you must click on the GoToAssist Expert application in order for 'GoToAssist Expert' to appear as the active application in the Menu bar.

Features from the Viewer toolbar and Application menu

Note: Drawing tools is not supported on the agent desktop app for Mac. Additionally, features marked with *** are only available when connected in a support session with a Windows computer.

• Start an Attended Support Session

  • From the Viewer toolbar, click the Session icon and select Start Session to create a new attended support session.
  • From the Application menu, select Session > Start Support Session.

• Join a Session

  • From the Viewer toolbar, click the Session icon and select Join Session to join an attended session as a customer, or join an existing session hosted by another agent (i.e., session collaboration).
  • From the Application menu, select Session > Join Session.

• Invite Technicians

  • From the left navigation of the Viewer toolbar, click the Session Settings icon and select Invite Technicians, then choose Copy Session URL or Email Session URL to invite another agent to your active session.
  • From the Application menu, select Session > Invite Technicians > Copy Session URL or Email Session URL.

• Manage and Connect to Unattended Support Computers

  • From the Viewer toolbar, click the Unattended Support icon and select View Unattended Computers to view your list of Unattended Support Computers and manage or connect to them.
  • From the Application menu, select Window > My Unattended Computers.

• Use Screen Sharing

  • From the Viewer toolbar, click the Screen Sharing icon and select View Customer's Screen, Share My Screen, Stop Screen Sharing, Blank Screen***, or any of the additional Viewer sizing options in the menu as your screen sharing options.
  • From the Application menu, select Screen Sharing > View Customer's Screen, Share My Screen, Stop Screen Sharing, or Blank Screen***.

• Reboot or Reboot in Safe Mode***

  • From the Viewer toolbar, click the Tools icon and select Reboot or Reboot in Safe Mode*** to begin the process of rebooting your customer's computer.
  • From the Application menu, select Tools > Reboot or Reboot in Safe Mode***.

• Run as a Service***

  • From the Viewer toolbar, click the Tools icon and select Upgrade to Run as a Service to allow the support session to run as a service (instead of an application) and gain access additional features during your session.
  • From the Application menu, select Tools > Upgrade to Run as a Service.

• Set Up Unattended Support

  • From the Viewer toolbar, click the Unattended Support icon and select Set Up Unattended Support to begin the process of installing unattended access on the customer's computer.
  • From the Application menu, select Tools > Set Up Unattended Support.

• Send Ctrl-Alt-Delete***

  • From the Viewer toolbar, click the Ctrl-Alt-Del icon to instantly send the Ctrl-Alt-Delete command to the customer's computer.
  • From the Application menu, select Tools > Send Ctrl-Alt Delete.

• Send Chat Messages

  • From the Viewer toolbar, click the Chat icon to launch the Chat window on the agent side and send chat messages to the customer.
  • From the Application menu, select, Window > Chat.

• Create Session Notes

  • From the Viewer toolbar, click the Notes icon to launch the Notes window and create session notes.
  • From the Application menu, select Window > Notes.

• Run Diagnostic Reports

  • From the Viewer toolbar, click the Diagnostics icon to gather diagnostic report information about the customer's computer.
  • From the Application menu, select Window > Diagnostics.

• Use File Transfer

  • From the Viewer toolbar, click the File Transfer icon and select Send Files to..., Get Files from..., or Display Status as your file transfer options.
  • From the Application menu, select File Transfer > Send Files to..., Get Files from..., or Display Status.

Teamviewer Send Ctrl Alt Del Greyed Out Mac Download

• Preferences

  • From the Viewer toolbar, click the Preferences icon to use the Preferences options to determine how you want Remote Support to perform.
  • From the Application menu, select GoToAssist Expert > Preferences.

• Check for Update

  • From the Application menu, select GoToAssist Expert > Check for Update to manually scan for new updates for the agent application. Please note that you must close all active sessions in order to select Check for Update, otherwise this option will be grayed out.