Windows 10: BUG: Windows Sandbox fails to initialize after fresh 24H2 Install - The system cannot find...

Hi there!Long time Windows user, first time Window Professional License buyer. I PRIMARILY bought Windows Professional BECAUSE of the Windows Sandbox feature, and have been using it since 22H2 without any issues. But after doing a fresh install of 24H2, using the latest Windows 11 ISO, it DOES NOT LAUNCH. Hyper-V still works fine.I have tried:sfc /scannowDISM /Online /Cleanup-Image /RestoreHealthReinstalling Windows multiple times.Running different .wsb configurations with vGPU and HostFolder optionsEnabling/Disabling Windows Sandbox under Win+R and Optional FeaturesDisabling all non-Windows

:)

 

Windows Sandbox failed to initialize, Error 0x800700cb

1. Check Group Policy Settings:
   
   • Press Win + R, type "gpedit.msc," and press Enter.
     
   • Navigate to "Computer Configuration" > "Administrative Templates" > "System" > "Credentials Delegation."
     
   • Make sure that the "Allow delegating fresh credentials" policy is set to "Not Configured."
     
2. Reset Sandbox Configuration:
   
   • Open PowerShell as an administrator.
     
   • Run the following command to reset the Sandbox configuration:
     
     
3. Check for Compatibility Issues:
   
   • Sometimes, third-party software or conflicting drivers can cause compatibility issues with Windows Sandbox. Try temporarily uninstalling any recently installed software or drivers that might be affecting the system.
     
4. Review Event Viewer Logs:
   
   • Open Event Viewer (search for "Event Viewer" in the Start menu).
     
   • Navigate to "Windows Logs" > "System."
     
   • Look for any error messages related to Windows Sandbox. The logs might provide more detailed information about the cause of the issue.
     
5. Try a Clean Boot:
   
   • Temporarily disable all non-Microsoft startup items and services using a clean boot:
     
     • Press Win + R, type "msconfig," and press Enter.
       
     • On the "Services" tab, check "Hide all Microsoft services" and click "Disable all."
       
     • On the "Startup" tab, click "Open Task Manager," and disable all startup items.
       
     • Restart your computer and check if Windows Sandbox works in this clean boot state. If it does, gradually enable services and startup items to identify the conflicting one.
       
6. Inspect Registry Entries:
   
   • Review the Windows Sandbox-related registry entries carefully. Ensure they are correctly set and not conflicting with other settings.
     
7. System File Checker (SFC) and DISM:
   
   • Even though you've already run SFC and DISM, it might be worth running them again to make sure there are no lingering system file issues.
     
8. Contact Microsoft Support:
   
   • If you've exhausted all troubleshooting steps and the issue persists, consider reaching out to Microsoft Support or community forums dedicated to Windows 11 for more specialized assistance.
     

 

Windows sandbox failed to initialize

Hi everyone, I am trying to run Win Sandbox on my laptop but I keep getting this error





I have looked online to find a solution but nothing seems to work, I have followed these guides and tried all the troubleshooting in them:

How to Fix the “Windows Sandbox Failed to Initialize/Start” Issue - MiniTool

Windows Sandbox failed to initialize [Fix] (thewindowsclub.com)

The problems I am having are:

1. That I do not have the "Hyper-V" option in the "optional features" tab
   
2. When I try to start the "Hyper-V Remote Desktop Virtualization Service" I get the following message
   

Also, any idea which redistributable do I need to run Sandbox?

Thanks a lot for any help you can provide

 

Windows Sandbox failed to initialize, Error 0x800700cb

Hi, I started getting the following error every time I try to start Windows Sandbox on Windows 11:



Windows Sandbox failed to initialize. Error 0x800700cb. The system could not find the environment option that was entered.



It used to work fairly recently, and I don't recall doing anything unusual that could have caused this. There's a new CPU, Intel i9-13900KS, but it supports virtualization and I have a vague memory of Windows Sandbox working after I first installed it. I also don't know how to solve this without trying to reset the Windows installatio, even though I'm an advanced user.



Some of the things I tried:



• Making sure that the entries in Environment Variables are all there, including copying the registry entries from another Win11 installation (same version) that has the sandbox working.

• Uninstalling and reinstalling Windows Sandbox from Windows Features.

• Making sure that virtualization is enabled in the BIOS

• Disabling Hyper-V, Virtual Machine Platform, and Windows Hypervisor Platform; reenabling them.

• Running SFC and DISM integrity checks

• Making sure Windows Sandbox isn't blocked by any AV or firewall software.

• Updating to the latest drivers, Windows updates, etc.



As I said, I'm a pretty advanced user, so if you have a suggestion please make sure you know what you're talking about and assume that I did all the generic basic stuff, like "trying to turn it on and off". If anyone has an educated suggestion, I'd really appreciate the help.