Fixed fatal error occurred when trying to Sysprep a machine

  • Error occurs when the Windows software license management tool or the Rearm command has been run three or more times in a single Windows image.
  • There are solutions to this error, which include editing the registry, etc.
  • If you exceed the limit, you will encounter this error message the next time you run the tool.
  • By changing the SkipRearm key, you can resolve the fatal Sysprep error in Windows.
  • Be sure to create a restore point before changing the registry keys.
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There was a problem running the system preparation tool when you tried to Sysprep a machine if you received an error message indicating a fatal error. Windows’ duplicate creation tool, tests, and new installation tools rely on this tool. It is an important part of the operating system.

When your Windows image has been rearm three or more times, the error is caused by the license management tool or the Rearm command.

You can then use Sysprep to clone your computer and install Windows on the remaining systems after completing the initial installation steps. You can run it multiple times on one Windows image, but it has a limit. The solution is easy to implement, so you can use it again after you’ve implemented it once. If you’re interested in learning more about the causes and how to fix them, read this article.

 

What causes the error message “A fatal error occurred while trying to Sysprep the machine”?

What causes the error message "A fatal error occurred while trying to Sysprep the machine"?

In the case of this error, there can only be one possible cause.

  • Exceeded limit: As we mentioned earlier, there is a limit to the number of times you can use the tool. If you exceed the limit, you will encounter this error message the next time you run the tool. The limit is three.

Here are some solutions to this error. Editing the registry is one of the solutions. It is essential that you follow the instructions carefully in order to avoid errors that could have drastic consequences.

 

How to fix the error “A fatal error occurred while trying to Sysprep the machine”



Updated: February 2024

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In this article, you will find all the steps you need to follow to resolve the fatal error. All the steps in this article should be followed one by one to resolve the error.

How to fix the error "A fatal error occurred while trying to Sysprep the machine"

Change the SkipRearm key

  1. Run can be opened by pressing Windows + R.
  2. The registry editor is opened by typing Regedit and clicking OK.
  3. You can find these values in the registry editor of Windows:
    MicrosoftWindows NTCurrentVersionSoftwareProtectionPlatform is stored in HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows.
  4. The SkipRearm key can be found in the right pane.
  5. Open SkipRearm’s properties by double-clicking it.
  6. Click OK once you’ve entered the value 1.
  7. Once the error has been corrected, close the registry editor.

If you change the SkipRearm key in the registry, the Sysprep error will be resolved. Before making any changes to the registry, make sure that you create a restore point.

Here are some quick solutions for Windows 10 users who are unable to edit the registry.

Change the GeneralizationState and CleanupState keys

  1. Run can be opened by pressing Windows + R.
  2. The registry editor will open after you type Regedit and hit OK.
  3. The following location can be found in the registry editor:
  4. SetupStatusSysprepStatus within HKEY_LOCAL_MACHINESYSTEM.
  5. You can double-click the GeneralizationState key in the right pane.
  6. To enter a value, type 7 into the Value field.
  7. Double-click CleanupState after finding it.
  8. The Value data field should be filled in with 2. Click OK to continue.
  9. This step can be skipped if the CleanupState key cannot be found.
  10. Take a look at whether any improvements have been made after running the system preparation program.

It is possible to fix system preparation errors by editing the GenealizationState and CleanupState keys as well as the Value data field.

Fix a Windows 10 image

  1. A search bar will appear as soon as you press the Windows key.
  2. Type cmd.
  3. Choose Run as administrator from the menu when you right-click the command line.
  4. The following command must be typed and entered at the command prompt:
  5. DISM/Online/Clean-Image/CheckHealth.
  6. Using the above command, we can quickly check the health of the data and fix any errors we find.
  7. Following are the steps you need to perform if problems are detected when restoring a Windows image:
  8. Cleanup-Image /RestoreHealth /DISM.
  9. Several minutes may pass before the process is complete.
  10. Screen will display success message when it is complete.
  11. The system preparation tool will begin as soon as you close the command line.

Remove the MSDTC

  1. Type cmd into Start.
  2. Choose Run as administrator from the menu when you right-click the command line.
  3. The following command must be typed and entered at the command prompt:
  4. Uninstall msdTC.
  5. Servers can be uninstalled by the above command.
  6. Type and press Enter to reinstall the service:
  7. msdc – install.
  8. Check if any improvements have been made by running the system preparation tool.

It appears that a corrupted file has caused a fatal error during Sysprep. Complete the steps in this article one by one in order to resolve the issue.

 



RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

  1. Use PowerShell to uninstall the package and remove the installation.
  2. Stop the tile model service.
  3. Use the registry editor.
  4. Remove your antivirus software.
  5. Download the latest version of Windows 10 and use it for Sysprep.
  6. Run an SFC scan.
  7. Run DISM.

The Sysprep tool logs Windows installation actions in different directories depending on the configuration run.

Sysprep does not remove applications. Some applications are sensitive to Sysprep, but these are rare exceptions. Sometimes the program checks the machine key or SID as part of license activation.

  1. Press the Windows + X logo key at the same time.
  2. Type cd WindowsSystem32Sysprep and press Enter.
  3. Type Sysprep, then press Enter to open the Sysprep GUI mode.
  4. Select Enter Out-Of-Offsystem Experience (OOBE) and check the Generalize checkbox.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.