Windows activation error 0xC004F211: Hardware changed or no key found
Updated
Cleared for publishing after the automated checks on .
What these 2 codes mean
This page covers 2 codes: 0xC004F211, 0xC004F213.
0xC004F211: Hardware changed or no key found
Windows noticed that the device's hardware changed (0xC004F211) or found no product key (0xC004F213), so it can't match a license.
0xC004F213: No product key found on the device
Microsoft's row for 0xC004F211 and 0xC004F213: for 0xC004F213, Windows said it couldn't find a product key on the device. The steps are on the 0xC004F211 entry.
Code facts
0xC004F211: Hardware changed or no key found
| Code as Windows shows it | 0xC004F211 |
|---|---|
| Type | Activation error code |
| Hexadecimal, 8 digits | 0xC004F211 |
| Decimal (unsigned) | 3221549585 |
| Decimal (signed 32-bit) | -1073417711 |
| Group | Activation errors |
Read with care
- Not a standard HRESULT (R bit set without the N bit, MS-ERREF 2.1). Microsoft lists it as a Windows activation (Software Protection) code; do not split it into facility and error number. ([MS-ERREF]: HRESULT, Troubleshoot Windows activation error codes)
0xC004F213: No product key found on the device
| Code as Windows shows it | 0xC004F213 |
|---|---|
| Type | Activation error code |
| Hexadecimal, 8 digits | 0xC004F213 |
| Decimal (unsigned) | 3221549587 |
| Decimal (signed 32-bit) | -1073417709 |
| Group | Activation errors |
Read with care
- Not a standard HRESULT (R bit set without the N bit, MS-ERREF 2.1). Microsoft lists it as a Windows activation (Software Protection) code; do not split it into facility and error number. ([MS-ERREF]: HRESULT, Troubleshoot Windows activation error codes)
Where this error shows up
This code shows up when Windows tries to activate or when the product key is checked.
Applies to
- 0xC004F211: Windows 11 and Windows 10 (page has a section for each). Windows 10 support ended 14 Oct 2025 per page.
- 0xC004F213: Windows 11 and Windows 10 (activation help page has a tab for each)
Try these first
These steps carry no risk flag in the data. They keep the order of the full list below, which is not reordered. A step without a flag is not a promise that it is safe for your computer.
3 steps to try, in order
Steps are grouped by the Microsoft page they come from. The page lists only what those pages give; other causes of 0xC004F211 are not covered.
If this page and Microsoft's page differ, follow Microsoft's page.
From: Get help with Windows activation errors
Source: Get help with Windows activation errors (Microsoft Support), checked Nov 14, 2026. Summary in our own words; Microsoft's page has the full steps.
0xC004F211: Steps follow the Windows 11 tab of Microsoft's activation help page; its Windows 10 tab has its own version of this row (Windows 10 support ended on October 14, 2025).
Buy a new license if you need one
A Windows license is linked to the device's hardware. After a big change such as a new motherboard, a device that came with Windows preinstalled may need a new license.
To buy one, go to Start > Settings > System > Activation and select Go to Microsoft Store.
Enter the key you used before
If you have a product key that was used on this device before the hardware change, enter it under Start > Settings > System > Activation > Change product key.
Use the hardware-change exception path
Microsoft lets you move the license after a hardware change only if the same Microsoft account was signed in on the device before the change.
Go to Start > Settings > System > Activation and select Troubleshoot. If the troubleshooter can't fix it, follow its link to reactivate after a hardware change (Microsoft's 'Reactivating Windows after a hardware change' page).
Stop and get help
If these steps do not fix the problem, or you are not sure about a step, stop and get help from Microsoft Support or from the maker of your PC. Stop at once if the data on this computer is at risk: back up your files first, or ask a professional before you go on.
Dates and review
| Automated checks | first check: ; second check: ; third check: ; fourth check: |
|---|---|
| Microsoft pages read |
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| Review status | Cleared for publishing after the automated checks on . |