How to Enable or Disable Print from Application Guard for Edge

This article describes steps one can take to turn on or off print files from the Microsoft Defender Application Guard for the Microsoft Edge browser in Windows 11.

Microsoft Defender Application Guard works with Microsoft Edge, Microsoft Office app, and browser to help isolate untrusted sites and prevents untrusted Word, PowerPoint, and Excel files from accessing trusted resources.

When you install and enable the Microsoft Defender Application Guard for Edge, specific actions such as access to the camera and microphone, and copying and pasting are disabled. For example, printing from the Application Guard for Edge windows is also disabled. You must turn on these settings to print from within the Edge Application Guard window.

Below is how to turn on or off printing from the Microsoft Defender Application Guard with Microsoft Edge browser in Windows 11.

Turn on or off printing in the Microsoft Edge with Defender Application Guard

As described above, when you install and enable Microsoft Defender Application Guard for Edge, specific actions are disabled. For example, printing from the Application Guard for Edge windows is disabled.

Below is how to turn on or off printing from the Application Guard with the Microsoft Edge browser.

First, you need to install and enable Microsoft Defender Application Guard for the Microsoft Edge browser. If you haven’t already, read the post below to do so.

How to install and enable Microsoft Defender Application Guarde for Edge browser

After installing, open the Windows Security app.

You can do that by clicking on the Start menu button and searching for “Windows Security“. Under best match, select the Windows Security app to open.

windows security app search on start menu
windows security app search on the start menu

When the Windows Security app opens, click the App & browser control section.

windows 11 app and browser control section windows security app
windows 11 app and browser control section windows security app

On the App & browser control settings page of the Windows Security app, under Isolated browsing, click the link “Change Application Guard settings“.

windows change application guard settings
windows change application guard settings

On the next window, under Print files, toggle the button to the On position to enable printing from the Application Guard for Microsoft Edge.

To disable it, simply toggle the button back to the Off position.

windows application guard enable or disable print file
windows application guard enable or disable print file

You must restart your computer for the changes to apply.

Enable or disable print files in Application Guard via the Windows Registry Editor

If you can’t open the Local Group Policy Editor, you can use the Windows Registry editor instead.

Open the Windows Registry, and navigate to the folder key path as listed below.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Hvsi

If you don’t see the Hvsi folder key, right-click on the Microsoft key, then create the subkey (Hvsi) folders.

windows applicaton guard for edge enable copy and paste
windows application guard for edge enable copy and paste

On the right pane of the Hvsi folder key, right-click and select New -> DWORD (32-bit) Value. Type a new key named EnablePrinters.

Double-click the new value name (EnablePrinters) and enter the Value data of 1 to enable print from the Application Guard for Edge.

Value data of 0 to disable printing from the Application Guard for Edge.

windows application guard enable or disable print file registry value data
windows application guard enable or disable print file registry value data

Restart your computer for the changes to apply.

Once installed, to use Microsoft Edge in isolated mode with Application Guard, press the keyboard shortcut (CTRL + SHIFT + Q).

You can also click on the Edge browser menu (3 vertical dots) and select New Application Guard windows (CTRL + SHIFT + A).

windows 11 new application guard window
windows 11 new application guard window

That should do it!

Reference:

https://learn.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-application-guard/md-app-guard-overview

Conclusion:

This post showed you how to enable or disable printing from the Microsoft Defender Application Guard for Edge browser in Windows 11. If you find any error above or have something to add, please use the comment form below.