How to Manage Camera and Microphone Access in Microsoft Edge Application Guard If you’re using Microsoft Defender Application Guard (MDAG) to isolate browser sessions, you already know it’s excellent for containing threats and enforcing strict browsing boundaries. But how do you manage camera and microphone access inside that isolated Edge session? In this video, we'll walk through five different methods you can use to enable or disable camera and microphone access in Application Guard. Before we begin, be sure to subscribe to NinjaOne's IT Video Hub and our YouTube channel for more tech content like this. 5 Ways to Manage Camera and Mic Access in Microsoft Edge Application Guard Method 1: Windows Security Settings This is the most user-friendly option and ideal for individual devices. To start, open Windows Security, head to App & browser control, and under Isolated browsing, select Change Application Guard settings. If you don’t see it, Application Guard isn’t installed yet. Just scroll down to the Camera and microphone section and toggle the feature on or off. You’ll get a UAC prompt. Click “Yes,” restart the machine, and the setting will take effect. Method 2: Registry Editor This method is for administrators who need granular, local control. Open the Registry Editor and then navigate to: If the Hvsi key isn’t there, create it. Then create or edit the DWORD: Set it to 1 to enable access, or 0 to disable access. Restart your machine, and you’re good to go. As always, make sure to back up the registry before making changes. Method 3: PowerShell PowerShell is ideal for enterprise automation, especially when paired with remote PowerShell tools or scripting for deployment across multiple endpoints. Here’s a basic example command. This enables camera and microphone access. To disable it, set the value to 0. The blog includes the full command set, additional validation steps, and guidance for remote deployment. Method 4: .reg Files This one is especially useful for MSPs, enterprise admins, and anyone managing fleets using tools like endpoint management tools or scripts. Here’s a basic example command. Save it as CameraMicrophone_Access.reg, deploy it through your management tool of choice, and reboot the machine. Again, check the blog post linked below for the full template. Method 5: Group Policy This is the best method for domain environments or large tenant deployments. Here are the steps: Open Local Group Policy Editor, then navigate to: Computer Configuration > Administrative Templates> Windows Components > Microsoft Defender Application Guard. Look for Allow camera and microphone access in Microsoft Defender Application Guard. Set it to Enabled to allow access, or Disabled to block it. Restart the system to enforce the policy. Managing camera and microphone access in Microsoft Defender Application Guard comes down to choosing the method that aligns with your environment. For more information, check out our official blog post on how to manage camera and microphone access in Microsoft Edge Application Guard, linked in the description below.