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?
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 FortectMac Washing Machine X9 that can fix most system errors, BSODs, corrupted files, registry issues, or clear cookies and cache. Otherwise, follow the step-by-step instructions below.
Solution 1. Disable Third-Party Security Software
Sometimes antivirus software can block legitimate processes mistakenly. You should try disabling your antivirus and trying to run the update again.
Solution 2. Run the Windows Update Troubleshooter
- 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
Solution 3. Reset Windows Update Components
- 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
netsh winsock reset
net start bits
net start wuauserv
net start cryptsvc
- Wait for the process to finish and restart your PC
Solution 4. Modify the Registry
- Press the Windows key + R to open the Run box
- Type regedit and press Enter
- Go to the following location in the Registry Editor:
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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