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Maintenance Mode

Marcio Nascimento

Add a “Maintenance Mode” overlay to prevent local user interaction during remote support

One common problem we face when providing remote IT support is that the local user continues to move the mouse or use the keyboard while we are working on their computer.

TeamViewer already provides options to disable the local keyboard and mouse, and also to blank/darken the remote screen. However, there is an important usability problem with these options: when the screen becomes completely black or appears frozen, the user may assume that the computer has crashed and restart the workstation — which can interrupt the support session or even cause problems with the maintenance operation being performed.

I would like to suggest a dedicated “Maintenance Mode” option during a remote support session.

When enabled, TeamViewer could:

Disable the local keyboard and mouse.
Keep the user's screen visible, rather than completely blacking it out.
Display a semi-transparent overlay over the screen, similar to a “smoked glass” effect.
Show a clear message in the center of the screen, for example:

This computer is currently being serviced remotely.
Please do not use the keyboard or mouse.
Your IT technician is performing maintenance.

An important aspect of this feature would be that the screen underneath the overlay should remain fully active and visible. The user should still be able to see the technician's actions and the normal activity of the computer in real time. This makes it clear that the workstation is working normally and has not crashed or frozen — it is simply temporarily unavailable for local interaction.

The overlay could also include the TeamViewer logo and/or the name of the IT company providing the support.

Ideally, the technician should be able to customize the message, or at least choose from a few predefined messages.

This would solve two problems at the same time:

Prevent the local user from interfering with the remote technician's work.
Make it immediately clear that the computer is intentionally unavailable, rather than appearing to be frozen or crashed.

This feature would be particularly useful for MSPs and IT support companies that frequently perform assisted maintenance on end-user workstations.

A simple button in the remote session toolbar such as “Enable Maintenance Mode” would make this feature very practical.

As an additional enhancement, the technician could have a “Request user control” or “Disable Maintenance Mode” button to temporarily return keyboard and mouse control to the local user when their interaction is required.

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Comments

Clara Mae

A small “Technician connected” indicator would help here too. If the connection drops, the overlay should disappear and local control should return automatically. Otherwise, the user could still be left wondering whether the computer has frozen.

Marcio Nascimento

I completely agree with the idea that the overlay should automatically disappear and local keyboard/mouse control should be restored if the technician disconnects or the connection is unexpectedly lost. That would be an important safety and usability feature.

However, I don't think a small “Technician connected” indicator would be enough for this particular use case. In real-world IT support, end users are often distracted and may not notice a small notification or status indicator, especially if they are focused on another application.

The purpose of the overlay would be to make it immediately and unmistakably clear that the computer is intentionally being operated remotely and that the user should not interact with it.

That's why I think the message should be fairly prominent — for example, a semi-transparent overlay covering the screen with a large, clearly visible message such as:

THIS COMPUTER IS CURRENTLY UNDER REMOTE MAINTENANCE
PLEASE DO NOT USE THE KEYBOARD OR MOUSE

The underlying screen could remain fully visible and active, so the user can see that the computer has not frozen. The prominent overlay would simply make the situation impossible to misunderstand.

So I would definitely support having both: automatic removal of the overlay when the remote session ends or drops, plus a highly visible maintenance message while the technician is connected.

JeanK

Hi Marcio,

thanks for the suggestion. What you are describing can already be achieved using TeamViewer’s black screen and custom black screen functionality.

During a session, the supporter can disable remote input and select Show black screen.
Administrators can additionally enforce this behavior on managed devices using the following policies:

Black screen for incoming connections
Enable black screen if partner input is deactivated

Instead of showing the standard TeamViewer security screen, a custom image can be displayed on the remote device. This image can contain a company logo and a message explaining that maintenance is currently in progress.

When the black screen is active, local input is disabled. However, the person at the remote device can press Ctrl + Alt + Del if they need to regain control.

You'll find more information in our Knowledge Base article here: TeamViewer Black Screen

Is this what you're looking for? 😎

Let me know if you have any further questions!

/JeanK