How to fix Windows upgrade error "Failed to determine source edition type"?

Question

Issue: How to fix Windows upgrade error "Failed to determine source edition type"?

Hello. I tried to upgrade my Windows 10 computer to 21H2 but I received the “Failed to determine source edition type” error. How do I fix this?

Solved Answer

The “Failed to determine source edition type” error occurs when people try to upgrade Windows. Some people report the error appears when trying to upgrade Windows 10 to 21H2 (the October 2021 Update). This error message indicates that the upgrade process is unable to determine the edition type of the current version of Windows, and as a result, the upgrade process cannot proceed.

There are several possible reasons why people may be receiving this error when trying to upgrade Windows. Some of the most common reasons include:

  • Corruption of the Windows installation: This can occur due to a variety of reasons, such as a virus or malware infection, a hardware failure, or a power outage during the upgrade process.
  • Conflicting software: Some software programs may interfere with the upgrade process and prevent it from completing successfully.
  • Incompatible hardware: The upgrade process may be unable to continue if the computer's hardware is not compatible with the newest version of Windows.
  • Missing Windows registry data

The “Failed to determine source edition type” error can affect people in several ways. They can't upgrade their Windows device which may cause them to miss out on new features and security updates. It can also prevent them from using certain software or apps that require the latest version of Windows.

In this guide, you will find 4 steps that should help you fix Windows upgrade error “Failed to determine source edition type.” Keep in mind that the manual troubleshooting process can be lengthy. You can use an automatic maintenance tool like ReimageMac Washing Machine X9 that can fix most system errors, BSODs,[1] corrupted files, registry[2] issues, or clear cookies and cache.[3] Otherwise, follow the step-by-step instructions below.

How to fix Windows upgrade error Failed to determine source edition type

Solution 1. Disable Third-Party Security Software

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.

Sometimes antivirus software can block legitimate processes mistakenly. You should try disabling your antivirus and trying to run the update again.

Disable Third-Party Security Software

Solution 2. Run the Windows Update Troubleshooter

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Click the Windows button and select Settings
  • Select System from the left pane, then scroll down on the right pane, and click on Troubleshoot
  • Click on Other troubleshooters
  • Locate the Windows Update troubleshooter and hit the Run button

Run the Windows Update Troubleshooter

Solution 3. Reset Windows Update Components

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To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Open the Command Prompt as an Administrator
  • Type the following commands one by one and press Enter after each:
  • net stop bits

    net stop wuauserv

    net stop cryptsvc

    Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat”

    Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak

    Ren %Systemroot%\SoftwareDistribution\Download Download.bak

    Ren %Systemroot%\System32\catroot2 catroot2.bak

    sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

    sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)

    cd /d %windir%\system32

    regsvr32.exe atl.dll

    regsvr32.exe urlmon.dll

    regsvr32.exe mshtml.dll

    regsvr32.exe shdocvw.dll

    regsvr32.exe browseui.dll

    regsvr32.exe jscript.dll

    regsvr32.exe vbscript.dll

    regsvr32.exe scrrun.dll

    regsvr32.exe msxml.dll

    regsvr32.exe msxml3.dll

    regsvr32.exe msxml6.dll

    regsvr32.exe actxprxy.dll

    regsvr32.exe softpub.dll

    regsvr32.exe wintrust.dll

    regsvr32.exe dssenh.dll

    regsvr32.exe rsaenh.dll

    regsvr32.exe gpkcsp.dll

    regsvr32.exe sccbase.dll

    regsvr32.exe slbcsp.dll

    regsvr32.exe cryptdlg.dll

    regsvr32.exe oleaut32.dll

    regsvr32.exe ole32.dll

    regsvr32.exe shell32.dll

    regsvr32.exe initpki.dll

    regsvr32.exe wuapi.dll

    regsvr32.exe wuaueng.dll

    regsvr32.exe wuaueng1.dll

    regsvr32.exe wucltui.dll

    regsvr32.exe wups.dll

    regsvr32.exe wups2.dll

    regsvr32.exe wuweb.dll

    regsvr32.exe qmgr.dll

    regsvr32.exe qmgrprxy.dll

    regsvr32.exe wucltux.dll

    regsvr32.exe muweb.dll

    regsvr32.exe wuwebv.dll

    netsh winsock reset

    net start bits

    net start wuauserv

    net start cryptsvc

Reset Windows Update Components

  • Wait for the process to finish and restart your PC

Solution 4. Modify the Registry

Fix it now! Fix it now!
To repair damaged system, you have to purchase the licensed version of Reimage Reimage.
  • Press the Windows key + R to open the Run box
  • Type regedit and press Enter
  • Go to the following location in the Registry Editor:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

Modify the Registry

The following is an example for Enterprise Windows:

  • InstallationType (REG_SZ) should be Client
  • EditionID (REG_SZ) could be Enterprise

And the following are the possible values for EditionID:

Supported value OS SKU DEFINITION
BusinessN Windows 10/11 Professional N (49)
CloudEdition CloudEdition (Windows 11 SE (203)
CloudEditionN CloudEditionN (Windows 11 SE N (202)
Core Windows 10/11 Home (10/111)
CoreCountrySpecific Windows 10/11 Home China (99)
CoreN Windows 10/11 Home N (98)
CoreSingleLanguage Windows 10/11 Home single language (100)
Education Windows 10/11 Education (121)
EducationN Windows 10/11 Education (122)
Enterprise Windows 10/11 Enterprise (4)
EnterpriseEval Windows 10/11 Enterprise Evaluation (72)
EnterpriseG Windows 10/11 Enterprise G (171)
EnterpriseGN Windows 10/11 Enterprise G N (172)
EnterpriseN Windows 10/11 Enterprise N (27)
EnterpriseNEval Windows 10/11 Enterprise N Evaluation (84)
EnterpriseS Windows 10 Enterprise LTSC (125)
EnterpriseSEval Windows 10 Enterprise LTSC Evaluation (129)
EnterpriseSN Windows 10 Enterprise LTSC N (162)
Holographic Windows 10 Holographic (136)
IoTUAP Windows 10 IoT Core (123)
IoTUAPCommercial Windows 10 IoT Core Commercial (131)
IoTEnterprise Windows 10/11 IoT Enterprise (188)
PPIPro Windows 10 TeamOS (119)
Professional Windows 10/11 Professional (48)
ProfessionalEducation Windows 10/11 Professional Education (164)
ProfessionalEducationN Windows 10/11 Professional Education N (165)
ProfessionalWorkstation Windows 10/11 Professional for workstation (161)
ProfessionalN Windows 10/11 Professional for workstation N (162)
ProfessionalSingleLanguage Windows 10/11 Professional Single Language (138)
ServerRdsh Windows 10/11 Enterprise multi-session (175)

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About the author
Gabriel E. Hall
Gabriel E. Hall - Passionate computer expert

Gabriel E. Hall is an expert troubleshooter who has been working in the information technology industry for years.

Contact Gabriel E. Hall
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