Windows 10: Enabling Windows Sandbox hurts host performance?

I recently noticed that when I enable Windows Sandbox it cripples my PC performance, for example my RAM read speed drops from 48 GB/s to 35 GB/s and CPU benchmarks are lot slower as well.

However when I run the benchmarks inside the Sandbox I get max performance (same result as on the "host" with Sandbox disabled).

Anyone else experiencing the same behavior?

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:)

 

windows sandbox Not working

Hi,



Thank you for writing to Microsoft Community Forums.



There is a possibility that the feature is corrupted or not set up properly. I would advise you to disable Windows Sandbox first and then enable it. Please follow the steps mentioned below:

1. Open Control Panel.
   
2. Then click on all Control Panel Items.
   
3. Then click on Programs and features.
   
4. Then on the left hand side, click on Turn Windows features on or off.
   
5. Then uncheck the option: Windows Sandbox.
   
6. Then restart your computer.
   
7. After restart, please enable it and check if the sandbox is working.
   

Also make sure that you meet all the requirements for Windows Sandbox.

Regards,

 

No Internet after enable Windows Sandbox

I'm running latest version of Windows 10 with Windows Security. When I enable Windows Sandbox my Internet connection vanish. So, I do not have Internet on my computer and no Internet in Sandbox what is obvious. I have tried to unable it and enable it again
like suggested somewhere on the forum, search Internet for solutions but no victory.

 

No internet connection on Windows Sandbox

Hello bvonr,

Thank you for writing to Microsoft Community Forums.

Ideally, if your computer is connected to the internet, even the Sandbox has to be connected. There is no extra setting to turn on/off internet for Sandbox. Few issues regarding network connection on Virtual machines and Sandbox has been resolved
just by updating to the latest build. Kindly check with the steps listed below and see if it works.

Method 1: Disable Antivirus software.

I would suggest you to disable all the security software applications (e.g. Norton, McAfee) that are installed on your host (main) machine. It could be blocking the internet connection, so disable it and see if the issue persists.

Disclaimer: If you have Windows 10, you’ll get the latest antivirus protection with Windows Defender. When you start up Windows 10 for the first time, Windows Defender is on and actively helping to protect
your PC by scanning for malware (malicious software), viruses, and security threats. Windows Defender uses real-time protection to scan everything you download or run on your PC. Windows Update downloads updates for Windows Defender automatically to help keep
your PC safe and protect it from threats.

If the above suggestions doesn’t fix, kindly check with the method 2.

Method 2: Disable and enable the Sandbox feature from Control Panel.

Go to Control Panel >
Programs > Programs and Features > from the left top, select
Turn Windows features on or off > Scroll down to Sandbox, disable and enable it to check if it works.

Additionally, you may also refer to the suggestions provided in the article on
Windows Sandbox has NO Internet when the
host is connected to a VPN.

Please let us know the results. We are glad to help you further if the issue persists.

Regards,

Mala S

Microsoft Community - Moderator