Get help with Windows activation errors


The following are some of the most common activation errors in Windows 10 together with solutions to possibly fix them.

If you upgraded to Windows 10 for free and your PC isn’t activated, make sure you’re running the latest version of Windows 10. We’ve made improvements to activation and troubleshooting activation errors. For more info about how to keep Windows up to date, see Windows Update: FAQ.


ErrorWhat it means and how to fix it
0x803f7001, 0x800704cF

This error means we didn’t find a valid Windows license for your PC.

You must use a valid product key to activate Windows. Your product key should be in the confirmation email you received after buying Windows, included with the packaging that came with your PC, or on the Certificate of Authenticity (COA) attached to the back or bottom of your PC.

If you have a valid product key, use it to activate Windows: 

  1. Select the Start  button, then select Settings  > Update & security  > Activation .
  2. Select Change product key, and then enter the 25-character product key.
If you've made a major change to your device's hardware, such as a motherboard replacement, run the Windows Activation Troubleshooter located on the activation settings page. Note that you might be asked to go through the reactivation process.


0xC004C003, 0xC004C060, 0xC004C4A2, 0xC004C4A2, 0x803FA067L, 0xC004C001, 0xC004C004, 0xC004F004, 0xC004C007, 0xC004F005, 0xC004C00F, 0xC004C010, 0xC004C00E, 0xC004C4A4, 0xC004C4A5, 0xC004B001, 0xC004F010, 0xC004F050
Reasons why you might see these errors:

  • You entered a product key that can't be used to activate Windows. Enter a different product key or buy a new product key.
  • You upgraded to Windows 10, but the activation servers were busy. If you upgraded from an activated copy of Windows 7 or Windows 8.1, your copy of Windows 10 will be automatically activated, or you can wait a while and then select Activate. If you continue to have problems with activation, contact customer support.
  • You upgraded to Windows 10 using the free upgrade offer, but Windows 10 isn't activated after a reinstall. Your copy of Windows 10 should automatically be activated as long as you didn't make any significant hardware changes to your device (such as replacing the motherboard). If you continue to have problems with activation, contact customer support.
0xC004F034
You might see this error if you entered an invalid product key or a product key for a different version of Windows.

Enter a valid product key that matches the version and edition of Windows 10 installed on your device.

If Windows is installed on a device that connects to a Key Management Service (KMS) server, contact your organization's support person for more info about how to activate Windows.
0xC004F210
You might see this error if you entered a product key for a different edition of Windows than the edition installed on your device. You might also see this error if you previously upgraded to Windows 10, but the current edition of Windows installed on your device doesn't match the edition of your digital license.

You can either enter a valid product key that matches the edition of Windows installed on your device or reinstall the edition of Windows 10 that matches your digital license.

If your device is running Windows 10 (Version 1607), the Activation troubleshooter can help you install the correct edition of Windows on your device. For more info, see Using the Activation troubleshooter.
0xC004E016, 0xC004F210
You might see this error if you entered a product key for a different version or edition of Windows. For example, a product key for the Enterprise edition of Windows 10 can't be used to activate Windows 10 Home or Windows 10 Core editions.

Enter a product key that matches the version and edition of Windows installed on your device or buy a new copy of Windows from the Store.
0xC004FC03
You might see this error if you're not connected to the Internet or your firewall settings are preventing Windows from completing the activation process online.

Make sure that you're connected to the Internet and your firewall isn't blocking Windows from activating. If you're still having problems, try to activate Windows by phone.

Type SLUI 04 in the search box on the taskbar, select SLUI 04, and then follow the instructions on the screen to activate Windows.
0xC004E028
You might see this error if you try to activate a device that is already in the process of activation. Your device should be activated after the first request is completed.
0x8007267C
You might see this error if you’re not connected to the Internet or the activation server is temporarily unavailable. Make sure that you're connected to the Internet and your firewall isn't blocking Windows from activating.
0xD0000272, 0xC0000272, 0xc004C012, 0xC004C013, 0xC004C014
If the activation server is temporarily unavailable, your copy of Windows will automatically be activated when the service comes back online.
0xC004C008, 0xC004C770, 0x803FA071
You might see this error if the product key has already been used on another PC, or it's being used on more PCs than the Microsoft Software License Terms allow. To fix the problem, buy a product key for each one of your PCs to activate Windows on them.

If you’re using Windows 10, you can buy Windows from the Windows Store:

  1. Select the Start  button, then select Settings  > Update & Security  > Activation .
  2. Select Go to Store, then follow the instructions to buy Windows 10.

0xC004F00F
You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 10 Home or Windows 10 Pro. Enter a product key that matches the edition of Windows on your device.

0xC004C020
This error occurs when a Volume License (a license that was bought from Microsoft by an organization to install Windows on multiple PCs) was used on more PCs than the Microsoft Software License Terms allow. To fix the problem, you might need to use a different product key to activate Windows on your PC. Contact your organization's support person for more info.
0x8007232B, 0xC004F074, 0xC004F038, 0x8007007B
  • You might see this error if you entered a product key for the Enterprise edition of Windows to activate Windows 10 Home or Windows 10 Pro. Try entering a product key that matches the edition of Windows on your device.
  • Or, you might see this error if you're trying to activate your work PC but aren't connected to your workplace's network. If you're connected to your work network and still see this error, you might need to change the network settings. Contact your organization's support person for more info. 
  • If your organization doesn't have a support person, you might need to enter your product key again:
    1. Select the Start  button, then select Settings  > Update & security  > Activation .
    2. Select Change product key, and then type your 25-character product key.
Administrator permission required
 You might be asked for an admin password or to confirm your choice.
0x80072F8F
You might see this error if the date and time for the PC is incorrect, or Windows has trouble connecting to the online activation service and can't verify your product key.

To verify date and time, select the Start  button, then select Settings  > Time & language > Date & time.

To check your Internet connection:

  1. Type network troubleshooter in the search box on the taskbar, then select Identify and repair network problems.
  2. Follow the instructions to fix any problems with the network.
If the network troubleshooter didn't find any problems with your network connection, try restarting your PC to see if that fixes the problem.

0xC004E003
You might see this error after installing third-party software that changed system files. Windows activation needs certain system files to complete activation. You can try to restore the system files back to an earlier point in time. This removes any software you installed after that point in time without affecting your personal files.

For more info, see the section about how to restore from a system restore point in Recovery options in Windows 10.
0x80004005
Select the Start  button, then select Settings  > Update & security  > Activation , and then select Troubleshoot to run the Activation troubleshooter. For more info about the troubleshooter, see Using the Activation troubleshooter.

If this doesn't work, you might need to reset your PC. For more info, see the section in Recovery options in Windows 10.
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Article ID: 10738 - Last Review: Dec 2, 2016 - Revision: 117

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