[0x80070002 – 0x4000B] Failed to determine source edition type!

When you run Windows Setup to repair or upgrade your Windows 10 or 11 computer, the Setup fails with the following error:

We can't tell if your PC is ready to continue installing Windows 10. Try restarting Setup.

The setupact.log shows the Installation Type is ‘unknown’ and the Edition Type is empty.

Error CONX Failed to determine source edition type! Error: [0x80070002][gle=0x0000012a]
Info CONX Source OS: Host SKU Info: Edition = 'Professional', Edition Type = '', Installation Type = 'unknown', Product Name = 'Windows 10 Pro', Arch = amd64, StationType = Client Workstation, Stage type = Staged Image

SetupDiagResults.log shows this:

Error: SetupDiag reports abrupt down-level failure.
Last Operation: Finalize
Error: 0x80070002 - 0x4000B
LogEntry: 2023-01-13 16:37:21, Error CONX Failed to determine source edition type! Error: [0x80070002][gle=0x0000012a]

Refer to "https://docs.microsoft.com/en-us/windows/desktop/Debug/system-error-codes" for error information.

Cause

The error “Failed to determine source edition type” occurs if the InstallationType and EditionID registry values are missing or contain incorrect value data.

Resolution

1. Start the Registry Editor (regedit.exe)
2. Go to the following location:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

3. Create/Modify the “InstallationType” REG_SZ value and set client as its data.
4. Create/Modify the “EditionID” REG_SZ value and set the appropriate SKU ID as the data — e.g., “Enterprise”, “Professional”, “Education”, etc. The following table shows the list of 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)

Source: Microsoft

This fixes the 0x80070002 – 0x4000B (“Failed to determine source edition type!”) error.